Exploring Euclidean Geometry

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1. 1

   What is the sum of the interior angles of a triangle?

   A 180 degrees B 360 degrees C 90 degrees
2. 2

   Which of the following quadrilaterals has only one pair of parallel sides?

   A Rectangle B Square C Trapezoid
3. 3

   In a circle, what is a chord that passes through the center called?

   A Radius B Diameter C Secant
4. 4

   What is the name given to a polygon with eight sides?

   A Octagon B Hexagon C Decagon
5. 5

   If two lines in a plane never meet, what are they called?

   A Intersecting B Parallel C Perpendicular
6. 6

   Which term describes a line segment from the center to the perimeter of a circle?

   A Tangent B Chord C Radius
7. 7

   What is an angle greater than 180 degrees but less than 360 degrees called?

   A Reflex angle B Right angle C Acute angle
8. 8

   What type of polygon has all sides of equal length and all angles of equal measure?

   A Regular polygon B Irregular polygon C Concave polygon
9. 9

   In a right triangle, what do you call the longest side opposite the right angle?

   A Leg B Base C Hypotenuse
10. 10

    Which of these terms refers to a corner or a point where lines meet?

    A Vertex B Edge C Plane