1. Write the inverse: Is it true or false? If an animal is a panda, then it is black and white. If an animal is not a panda, then it is not black and white. (False—zebra)

2. Which angle is the smallest? Which side is the shortest? 57˚ <C, side AB A B C 82˚ 41˚

3. Find the sum of the interior angles of a: 16-gon 14(180) = 2520˚

4. Find the measure of one interior angle of a regular: Octagon 6(180) = 135˚ 8

5. Which quadrilaterals have: 1 pair of opposite sides congruent IT

6. Find the measure of one exterior angle of a regular: Pentagon 360 = 72˚ 5

7. Find the measure of one exterior angle of a regular: 20-gon 360 = 18 ˚ 20

8. Find the sum of the exterior angles of a: 20-gon 360˚

9. Which quadrilaterals have: Congruent diagonals R, S, IT

10. Find the midpoint: (3, 5) (8, 9) AVERAGE!! (5.5, 7)

11. Which quadrilaterals have: Perpendicular diagonals Rh, S

12. Which quadrilaterals have: 1 pair of opposite sides // Trapezoid

13. Which quadrilaterals have: 2 pairs of opposite sides congruent P, R, Rh, S

14. Find the measure of one exterior angle of a regular: Octagon 360 = 45 ˚ 8

15. Find the sum of the exterior angles of a: 37-gon 360˚

16. Find the sum of the interior angles of a: Hexagon 4(180) = 720˚

17. Which angle is the smallest? Which side is the shortest? <A, side BC A B C 65˚ 50˚ 180 – 50 = 130 130 /2 = 65 65˚

18. Which quadrilaterals have: Diagonals that bisect each other P, R, Rh, S

19. Find the measure of angle J 54˚ J 72˚ 180 – 72 = 108 108 /2 = 54

20. Write a biconditional: If 2 segments are congruent, then they have the same length. Two segments are congruent iff they have the same length.

21. Which quadrilaterals have: Opposite angles congruent P, R, Rh, S

22. Find the sum of the exterior angles of a: septagon 360˚

23. Write a biconditional: If a polygon is a hexagon, then it has 6 sides. A polygon is a hexagon iff it has 6 sides.

24. Find the distance: (3, 5) (8, 9) 5 2 + 4 2 = d 2 25 + 16 = d 2 41 = d 2 6.40 ≈ d

25. Find the midpoint: (-9, 7) (-8, -1) AVERAGE!! (-8.5, 3)

26. Find the measure of one interior angle of a regular: Pentagon 3(180) = 108˚ 5

27. Write the converse: Is it true or false? If an animal is a panda, then it is black and white. If an animal is black and white, then it is a panda. (False—zebra)

28. Find the distance: (-9, 7) (-8, -1) 1 2 + 8 2 = d 2 1 + 64 = d 2 65 = d 2 8.06 ≈ d

29. Find the midpoint: (10, -4) (4, 4) AVERAGE!! (7, 0)

30. Find the measure of one exterior angle of a regular: Decagon 360 = 36 ˚ 10

31. Find the sum of the exterior angles of a: nonagon 360˚

32. Find the distance: (-2, 3) (10, -2) 12 2 + 5 2 = d 2 144 + 25 = d 2 169 = d 2 13 = d

33. Find the midpoint: (-2, 3) (10, -2) AVERAGE!! (4, ½)

34. Which quadrilaterals have: Diagonals that bisect angles Rh, S

35. Write a biconditional: If a quadrilateral has both pairs of opposite sides congruent, then it is a parallelogram. A quadrilateral has both pairs of opposite sides congruent iff it is a parallelogram.

36. Find the distance: (2, -10) (-5, 14) 7 2 + 24 2 = d 2 49 + 576 = d 2 625 = d 2 25 = d

37. Find the midpoint: (2, -10) (-5, 14) AVERAGE!! (-1.5, 2)

38. 59˚ 49˚ J 72˚ Find the measure of angle J 59 + 72 = 131 180 – 131 = 49

39. Write the contrapositive: Is it true or false? If an animal is a panda, then it is black and white. If an animal is not black and white, then it is not a panda. (True)

40. Find the sum of the interior angles of a: Dodecagon 10(180) = 1800˚

41. x˚ <B, side AC A B C (x – 2)˚ 60˚ (x + 2)˚ x + x – 2 + x + 2 = 180 3x = 180 x = 60 58˚ 62˚ Which angle is the smallest? Which side is the shortest?

42. Find the measure of one interior angle of a regular: 16-gon 14(180) = 157.5˚ 16

43. Find the distance: (10, -4) (4, 4) 6 2 + 8 2 = d 2 36 + 64 = d 2 100 = d 2 10 = d

44. (3x)˚ 3(16) + 3 = 52˚ J (3x + 3)˚ (5x + 1)˚ 5x + 1 + 3x + 3 + 3x = 180 11x + 4 = 180 11x = 176 x = 16 Find the measure of angle J

45. Which quadrilaterals have: 2 pairs of opposite sides // P, R, Rh, S