2. 1 2 5 10 Jeo-poly Figure This!Angle Schmangle SANMash Up 1 2 5 10 1 2 5 1 2 5

3. The Question The Answer This polygon has five sides.

4. The Question Categories What is a pentagon?

5. The Question The Answer This figure has the same number of sides as this sea creature has tentacles and thus shares a prefix.

6. The Question Categories What is an octagon?

7. The Question The Answer With 15 sides, this polygon has almost as many letters in its name.

8. The Question Categories What is a pentadecagon?

9. The Question The Answer “I” have 20 sides.

10. The Question Categories What is an icosagon?

11. The Question The Answer The exterior angle sum of a 99-gon.

12. The Question Categories What is 360°?

13. The Question The Answer The interior angle sum of a dodecagon.

14. The Question Categories What is 1800°?

15. The Question The Answer Each exterior angle of this regular polygon measures 40°.

16. The Question Categories What is a nonagon?

17. The Question The Answer The sum of the interior angles of a 3x-gon.

18. The Question Categories What is (540x – 360)°?

19. The Question The Answer A triangle is (sometimes, always, never) convex.

20. The Question Categories What is always?

21. The Question The Answer A decagon is (sometimes, always, never) regular.

22. The Question Categories What is sometimes?

23. The Question The Answer A concave polygon is (sometimes, always, never) regular.

24. The Question Categories What is never?

25. The Question The Answer The sum of the interior angle measures of a polygon is (sometimes, always, never) 1,350 degrees.

26. The Question Categories What is never?

27. The Question The Answer The measure of an exterior angle of this equiangular polygon is twice that of an interior angle.

28. The Question Categories What is an equilateral triangle?

29. The Question The Answer The number of diagonals that can be drawn in a heptagon.

30. The Question Categories What is 14?

31. The Question The Answer The measures of the angles of a triangle are in the ratio 1:2:3. This is half the measure of the largest angle.

32. The Question Categories What is 45°?

33. The Question The Answer The measure of an angle of this equiangular polygon exceeds four times the measure of one of the polygon’s exterior angles by 30.

34. The Question Categories What is an equiangular dodecagon?