1. Discovering Geometry: Unit One Review 5-9 points = 1extra credit points on test 10-14 points = 2 extra credit points on test 15-19 points = 3 extra credit points on test 20-24 points = 4 extra credit points on test 25-29 points = 5 extra credit points on test GOOD LUCK!

2. TRUE or FALSE? If FALSE, correct the mistake. If two angles are complementary, then the sum of their measures is 180 degrees.

3. TRUE or FALSE? If FALSE, correct the mistake. A rhombus is a parallelogram that has four congruent sides.

4. TRUE or FALSE? If FALSE, correct the mistake. If an “if-then” statement is true, then its converse is always true.

5. TRUE or FALSE? If FALSE, correct the mistake. If a transversal crosses two parallel lines, then the alternate interior angles formed are supplementary.

6. TRUE or FALSE? If FALSE, correct the mistake. A median in a triangle is a segment connecting a vertex to the midpoint of the opposite side.

7. TRUE or FALSE? If FALSE, correct the mistake. If two angles are complementary, then the sum of their measures is 180 degrees.

8. TRUE or FALSE? If FALSE, correct the mistake. A rhombus is a parallelogram that has four congruent sides.

9. TRUE or FALSE? If FALSE, correct the mistake. If an “if-then” statement is true, then its converse is always true.

10. TRUE or FALSE? If FALSE, correct the mistake. If a transversal crosses two parallel lines, then the alternate interior angles formed are supplementary.

11. TRUE or FALSE? If FALSE, correct the mistake. A median in a triangle is a segment connecting a vertex to the midpoint of the opposite side.

12. TRUE or FALSE? If FALSE, correct the mistake.

13. FILL-IN THE BLANK Using already-established procedures and definitions to reach a conclusion is called ___________________ reasoning.

14. FILL-IN THE BLANK A polygon that has five congruent sides and five congruent angles is called a ____________ _____________.

15. FILL-IN THE BLANK Two angles that are formed by intersecting lines, share a vertex, and do not share a side are called __________ angles.

16. FILL-IN THE BLANK A chord that passes through the center of a circle is called a _______________.

17. FILL-IN THE BLANK A parallelogram that has four congruent angles is called a _______________.

18. FILL-IN THE BLANK Using already-established procedures and definitions to reach a conclusion is called ___________________ reasoning.

19. FILL-IN THE BLANK A polygon that has five congruent sides and five congruent angles is called a ____________ _____________.

20. FILL-IN THE BLANK Two angles that are formed by intersecting lines, share a vertex, and do not share a side are called __________ angles.

21. FILL-IN THE BLANK A chord that passes through the center of a circle is called a _______________.

22. FILL-IN THE BLANK A parallelogram that has four congruent angles is called a _______________.

23. FILL IN THE BLANK

24. DRAW IT! Use markings! Square pyramid

25. DRAW IT! Use markings! Angle Bisector

26. DRAW IT! Use markings! Isosceles right triangle

27. DRAW IT! Use markings! Corresponding angles

28. DRAW IT! Use markings! Altitude of a triangle

29. DRAW IT! Use markings! Square pyramid

30. DRAW IT! Use markings! Angle Bisector

31. DRAW IT! Use markings! Isosceles right triangle

32. DRAW IT! Use markings! Corresponding angles

33. DRAW IT! Use markings! Altitude of a triangle

34. DRAW IT! Use markings!

35. IDENTIFY IT!

46. SHORT ANSWER Write the converse of each statement. Circle the only one of the three converses that is true. If ABCDE is a polygon with five sides, then ABCDE is a pentagon. If GHJK is a trapezoid, then GHJK has four sides. If  LMN measures 45 , then  LMN is acute.

47. SHORT ANSWER Find values for x and y.

48. SHORT ANSWER How many diagonals does a nine-sided polygon have?

49. SHORT ANSWER HINT: Make a table a write a linear function!

50. SHORT ANSWER

51. Write the converse of each statement. Circle the only one of the three converses that is true. If ABCDE is a polygon with five sides, then ABCDE is a pentagon. If GHJK is a trapezoid, then GHJK has four sides. If  LMN measures 45 , then  LMN is acute.

52. SHORT ANSWER Find values for x and y.

53. SHORT ANSWER How many diagonals does a nine-sided polygon have?

54. SHORT ANSWER HINT: Make a table a write a linear function!

55. SHORT ANSWER

56. SHORTANSWER

57. 10–6–10 Discovering Geometry: Unit One Review Work with your group to figure out the answer to each question. Write your final answer in the space provided. When the answer is revealed, put a check or an X next to the box. When the category is finished, count up your checks and write the number at the top of the column.