1. What makes a polygon? Getty Images
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A polygon is a plane figure with at least three straight sides and angles, and usually five or more. Via Getty Images
2. Which one describes a "vertex"? Getty Images
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A vertex is the intersection point of two sides of plain figure. Via BuzzFeed
3. Which one is a scalene triangle? Getty Images
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A scalene triangle is a triangle that has three unequal sides. Via Getty Images
4. Which of these do you multiply by pi to get the area of a circle? Getty Images
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To find the area of a circle, you must multiply pi by the radius squared.

5. What kind of angle is less than 90 degrees? Getty Images
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An acute angle is less than 90 degrees. Via Getty Images
6. The Pythagorean Theorem is used to determine the length of which shape's side? Getty Images
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If you know the length of two sides of a right triangle, the Pythagorean Theorem will determine the length of the third side. Via BuzzFeed
7. Which describes the part of a straight line that it originates and extends from? Getty Images
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A ray is the originating point of a line it extends from. Via BuzzFeed
8. How do you find the cosine of an angle on a right triangle? Getty Images
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To find the cosine of an angle, you must divide the adjacent side by the hypotenuse.

9. Which describes all points that are on the same line? Getty Images
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Collinear points are three or more points that lie on a straight line. Via BuzzFeed
10. Which describes "congruent"? Getty Images
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Congruent means figures that have the same measurements for their angles and sides. Via BuzzFeed