Free Course Image Geometry Course

Free online courseGeometry Course

Duration of the online course: 15 hours and 57 minutes

New course

Learn Geometry with Ember Learning Labs! This free online course covers points, lines, angles, triangles, polygons, circles, and more. Perfect for mastering basic geometry concepts.

In this free course, learn about

  • Foundations of Geometry
  • Logic and Proof in Geometry
  • Parallel and Perpendicular Lines
  • Triangles and Congruence
  • Centers and Inequalities in Triangles
  • Polygons and Parallelograms
  • Similarity and Proportions
  • Right Triangles and Trigonometry
  • Transformations in the Coordinate Plane
  • Circles and Their Properties

Course Description

The Geometry Course offers a comprehensive exploration into the fundamentals of geometry. Spanning a duration of 15 hours and 57 minutes, this course is meticulously designed for students beginning their journey in the realm of geometric concepts. Currently without any reviews, this course falls under the Basic Studies category and delves deeply into the subcategory of Geometry.

This course begins with the foundational elements of geometry, introducing students to the basic constructs such as points, lines, and planes. As you progress, you'll engage with the concepts of line segments and distance, which are essential for understanding spatial relationships. The Midpoint Formula is also covered early on to help in determining central points between line segments.

An essential aspect of geometry—the measurement of angles—is addressed thoroughly, including various angle relationships that are fundamental to understanding geometric figures. Transitioning from two-dimensional figures to three-dimensional ones prepares students for more complex applications and visualizations of geometric principles.

The course then delves into logical reasoning, starting with inductive reasoning and proofs. Understanding the fundamentals of logic and conditional statements is crucial for developing a strong foundation in mathematical reasoning. This section also covers proving segment and angle relationships, which are vital skills in geometric problem-solving.

Lines and their properties form the backbone of many geometric principles. The course explores parallel lines, transversals, and the angles they create. The relationship between line slopes and how to write equations of lines is also examined. Understanding how to prove lines parallel and the concepts of perpendiculars and distance are included to provide a rounded comprehension of line geometry.

Triangles, one of the most studied shapes in geometry, are given particular attention. This includes classifying triangles, understanding their angles, and proving them congruent through various methods such as Side-Side-Side (SSS), Side-Angle-Side (SAS), Angle-Side-Angle (ASA), and Angle-Angle-Side (AAS). Special types of triangles like isosceles and equilateral are also discussed. Further, the course delves into the properties of bisectors, medians, altitudes, and inequalities within triangles, as well as the triangle inequality theorem and inequalities in two triangles.

Students will gain significant insight into polygons by learning about their angles and properties. Parallelograms and tests for identifying them are another vital component of this section. Ratio and proportion principles are then applied to polygons and triangles, exploring similarity and transformations, including scale drawings and models.

Key principles such as the Geometric Mean, the Pythagorean Theorem and its converse, and special right triangles set the stage for more advanced topics like trigonometry, angles of elevation and depression, and the laws of sines and cosines. Vectors are also introduced to enhance understanding of direction and magnitude in geometry.

The course includes a thorough examination of geometric transformations, such as reflections and translations. Circles also play a crucial role, and you'll learn about their circumference, measuring angles and arcs, arcs and chords, inscribing angles, and tangents.

In conclusion, this Geometry Course provides a broad and detailed foundation in geometric principles, making it an excellent starting point for those in Basic Studies seeking to deepen their knowledge in Geometry. Whether it's mastering the properties of shapes, understanding geometric transformations, or applying trigonometric principles, this course offers a structured path to become proficient in geometry.

Course content

  • Video class: 1-1 Point Line and Plane | Geometry | Ember Learning Labs 18m
  • Exercise: In geometry, which of the following statements about a plane is true?
  • Video class: 1-2 Line Segments and Distance | Geometry | Ember Learning Labs 17m
  • Exercise: In a given line segment AB, point C is on AB such that AC = 4x - 3 and CB = 2x + 5. If AB measures 19 units, what is the value of x?
  • Video class: 1-3 Midpoint Formula | Geometry | Ember Learning Labs 13m
  • Exercise: What is the midpoint of the segment connecting the points (8, -2) and (-4, 6)?
  • Video class: 1-4 Angle Measure | Geometry | Ember Learning Labs 25m
  • Exercise: In geometry, which type of angle is defined as an angle that measures exactly 90 degrees?
  • Video class: 1-5 Angle Relationships | Geometry | Ember Learning Labs 16m
  • Exercise: Which pair of angles are considered supplementary angles?
  • Video class: 1-6 Two-Dimensional Figures | Geometry | Ember Learning Labs 27m
  • Exercise: Which of the following statements accurately describes a polygon?
  • Video class: 1-7 Three-Dimensional Figures | Geometry | Ember Learning Labs 23m
  • Exercise: Which of the following statements is true about a cylinder?
  • Video class: 2-1 Inductive Reasoning and Proof | Geometry | Ember Learning Labs 15m
  • Exercise: In a sequence of numbers, the first term is 5, the second term is 11, and the third term is 17. If the sequence follows the same pattern, what would be the fifth term?
  • Video class: 2-2 Logic | Geometry | Ember Learning Labs 24m
  • Exercise: What is the truth value of the compound statement 'not P or Q' when P is true and Q is false?
  • Video class: 2-3 Conditional Statements | Geometry | Ember Learning Labs 19m
  • Exercise: In a conditional statement, which of the following describes the 'hypothesis' part?
  • Video class: 2-7 Proving Segment Relationships | Geometry | Ember Learning Labs 18m
  • Exercise: Which of the following best describes the application of the segment addition postulate?
  • Video class: 2-8 Proving Angle Relationships | Geometry | Ember Learning Labs 18m
  • Exercise: Which of the following statements is a correct interpretation of the vertical angles theorem?
  • Video class: 3-1 Parallel Lines and Transversals | Geometry | Ember Learning Labs 15m
  • Exercise: In geometry, when dealing with parallel lines and a transversal, which pair of angles formed are considered alternate interior angles?
  • Video class: 3-2 Angles and Parallel Lines | Geometry | Ember Learning Labs 12m
  • Exercise: If two parallel lines are cut by a transversal, which of the following statements is always true?
  • Video class: 3-3 Slopes of Lines | Geometry | Ember Learning Labs 15m
  • Exercise: If line AB has a slope of 3, and line CD has a slope of -1/3, what can we conclude about lines AB and CD?
  • Video class: 3-4 Writing Equations of Lines | Geometry | Ember Learning Labs 23m
  • Exercise: Which of the following represents the equation of a line that is parallel to the line y = 2x - 5?
  • Video class: Geometry Page 315 Number 10 walkthrough 10m
  • Exercise: In a parallelogram, we have two sets of parallel lines. If XZ is the transversal line cutting these parallel lines and forms angles 1, 2, 3, and 4. If angle 1 is congruent to angle 3 and angle 2 is congruent to angle 4, which triangles formed by these lines can be proven congruent, and by which method?
  • Video class: 3-5 Proving Lines Parallel | Geometry | Ember Learning Labs 10m
  • Exercise: When two lines are cut by a transversal and the pairs of alternate interior angles are congruent, what can we conclude about the lines?
  • Video class: 3-6 Perpendiculars and Distance | Geometry | Ember Learning Labs 35m
  • Exercise: What is the distance between point A at (-2, 3) and point B at (4, -1) on a coordinate plane?
  • Video class: 4-1 Classifying Triangles | Geometry | Ember Learning Labs 11m
  • Exercise: How can triangles be categorized based on their sides?
  • Video class: 4-2 Angles of Triangles | Geometry | Ember Learning Labs 19m
  • Exercise: Using the Triangle Angle Sum Theorem, what is the measure of the third angle in a triangle if two of its angles are 65° and 75°?
  • Video class: 4-3 Congruent Triangles | Geometry | Ember Learning Labs 10m
  • Exercise: Which of the following statements best describes congruent polygons?
  • Video class: 4-4 Proving Triangles Congruent SSS and SAS | Geometry | Ember Learning Labs 12m
  • Exercise: Which of the following theorems can be used to prove that two triangles are congruent by knowing that two sides and the included angle are the same in both triangles?
  • Video class: 4-5 Proving Triangles Congruent ASA and AAS| Geometry | Ember Learning Labs 11m
  • Exercise: Which of the following methods cannot be used to prove the congruence of triangles?
  • Video class: 4-6 Isosceles and Equilateral Triangles | Geometry | Ember Learning Labs 07m
  • Exercise: Which of the following statements is true about equilateral triangles?
  • Video class: 5-1 Bisectors of Triangles | Geometry | Ember Learning Labs 21m
  • Exercise: What is the circumcenter of a triangle?
  • Video class: 5-2 Medians and Altitudes of Triangles | Geometry | Ember Learning Labs 17m
  • Exercise: What is the point of concurrency of the altitudes of a triangle called?
  • Video class: 5-3 Inequalities in One Triangle | Geometry | Ember Learning Labs 08m
  • Exercise: According to the Exterior Angle Inequality Theorem, which of the following statements is true about the exterior angle of a triangle?
  • Video class: 5-4 The Triangle Inequality | Geometry | Ember Learning Labs 06m
  • Exercise: Given three side lengths, determine which set can form a triangle based on the Triangle Inequality Theorem.
  • Video class: 5-6 Inequalities in Two Triangles | Geometry | Ember Learning Labs 13m
  • Exercise: According to the hinge theorem, if two triangles have two pairs of congruent sides and one triangle has a larger included angle than the other, what can be said about their third sides?
  • Video class: 6-1 Angles of Polygons | Geometry | Ember Learning Labs 16m
  • Exercise: In a hexagon, how many triangles can you create by connecting vertices from a single vertex?
  • Video class: 6-2 Parallelograms | Geometry | Ember Learning Labs 12m
  • Exercise: Which of the following statements about parallelograms is true?
  • Video class: 6-3 Tests for Parallelograms | Geometry | Ember Learning Labs 39m
  • Video class: 7-1 Ratios and Proportions | Geometry | Ember Learning Labs 08m
  • Exercise: In a triangle, the sides are in the ratio of 3:4:5. If the shortest side is 9 units long, what is the length of the longest side?
  • Video class: 7-2 Similar Polygons | Geometry | Ember Learning Labs 17m
  • Exercise: Two hexagons are similar. If the side lengths of the smaller hexagon are each 4 units and the side lengths of the larger hexagon are each 6 units, what is the scale factor from the larger hexagon to the smaller hexagon?
  • Video class: 7-3 Similar Triangles| Geometry | Ember Learning Labs 30m
  • Exercise: Which theorem can be used to prove that two triangles are similar if you know that two angles in one triangle are congruent to two angles in another triangle?
  • Video class: 7-4 Parallel Lines and Proportional Parts | Ember Learning Labs 23m
  • Exercise: Which theorem explains that if a line is parallel to one side of a triangle and intersects the other two sides, it divides the two sides into proportional segments?
  • Video class: 7-5 Parts of Similar Triangles | Ember Learning Labs 26m
  • Exercise: If two triangles are similar, which of the following statements about their angle bisectors is true?
  • Video class: 7-6 Similarity Transformations | Ember Learning Labs 28m
  • Exercise: What type of transformation ensures that two figures are similar, and what does this transformation involve?
  • Video class: 7-7 Scale Drawings and Models | Ember Learning Labs 08m
  • Exercise: When working with scale factors in geometry, what must always be true about the units if you are converting a scale factor into a unitless scale?
  • Video class: 8-1 Geometric Mean | Ember Learning Labs 19m
  • Exercise: In a right triangle, if an altitude is drawn to the hypotenuse, which of the following statements about the two triangles formed is correct?
  • Video class: 8-2 The Pythagorean Theorem and its Converse | Ember Learning Labs 13m
  • Exercise: Which of the following sets of numbers is a Pythagorean triple?
  • Video class: 8-3 Special Right Triangles | Ember Learning Labs 15m
  • Exercise: In a 45-45-90 triangle, if one of the legs has a length of 8 units, what is the length of the hypotenuse?
  • Video class: 8-4 Trigonometry | Ember Learning Labs 28m
  • Exercise: In a right triangle, if the measure of angle A is 40°, which trigonometric function would give you the ratio between the side opposite angle A and the hypotenuse?
  • Video class: 8-5 Angles of Elevation and Depression | Ember Learning Labs 29m
  • Exercise: A surveyor is measuring the height of a large building. She stands 100 feet away from the building and measures the angle of elevation to the top of the building to be 45°. How tall is the building, assuming her theodolite (measuring device) is at a height of 5 feet from the ground?
  • Video class: 8-6 The Laws of Sines and Cosines | Ember Learning Labs 25m
  • Exercise: In geometry, which of the following is true about the Law of Sines when applied to a non-right triangle?
  • Video class: 8-7 Vectors | Ember Learning Labs 25m
  • Exercise: Which of the following statements correctly describes a vector?
  • Video class: 9-1 Reflections | Ember Learning Labs 13m
  • Exercise: When reflecting a triangle over a line x = -4, which of the following is true about the reflected image?
  • Video class: 9-2 Translations | Ember Learning Labs 07m
  • Exercise: What happens to a figure when it is translated along a vector in a coordinate plane?
  • Video class: 10-1 Circles and Circumference | Ember Learning Labs 07m
  • Exercise: What is the relationship between the circumference of a circle and its diameter?
  • Video class: 10-2 Measuring Angles and Arcs | Ember Learning Labs 18m
  • Exercise: What is the arc length of an arc subtended by a 60-degree central angle in a circle with a radius of 5 cm?
  • Video class: 10-3 Arcs and Chords | Ember Learning Labs 09m
  • Exercise: In a circle, if a diameter is perpendicular to a chord, what does it do to the chord and its corresponding arc?
  • Video class: 10-4 Inscribing Angles | Geometry | Ember Learning Labs 15m
  • Exercise: What is the measure of an inscribed angle in a circle if the measure of its intercepted arc is 80 degrees?
  • Video class: 10-5 Tangents | Geometry | Ember Learning Labs 09m
  • Exercise: What is a property of a tangent to a circle?

This free course includes:

15 hours and 57 minutes of online video course

Digital certificate of course completion (Free)

Exercises to train your knowledge

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