Shively 9/11/2012

Geometry Chapter 1 Review

Name Round all answers to 2 decimal places

1. Use the midpoint formula to find the coordinates of the midpoint of a segment with the given endpoints.

*Remember: Midpoint:

a) A(-7, 2) b) A(4, 8) c) A(5, 3) d) A(8, 5)

B(3,0) B(6, 6) B(-7, 3) B(6, -1)

2. Find the coordinates of the other endpoint of the segment with the given endpoint T and midpoint M.

a) T(4,1) b) T(1, 5) c) A(8, 5) d) A(6, -1)

M(3,0) M(4, 3) B(-1, 3) B(5, 3)

3. (a) Write one name for the angle at right.

R

(b) What is the name of its vertex?

(c) What are the names of its sides?

(d) Use a protractor to measure the angle at right.

L

(e) Use construction tools to find the angle bisector. N

4. Use constructions tools to find the segment bisector of the segment below.

is the angle bisector of . Find the two angle measures not given in the diagram.

R

5. T 6.

R T

P S P S

is the angle bisector of . Find the value of x.

7.

(3x + 6)o

3 1

For questions 8-12 use the figure at the right. 2

8. Identify a pair of vertical angles. 4 5

9. Identify a pair of supplementary angles.

10. Identify a linear pair.

11. If m3 = 58°, then m5 = 12. If m3 = 58°, m4 =

13. Use the distance formula to find the distance between the two endpoints for each line segment below. Which two segments are congruent?

*Remember: Distance:

a) A(0,1) b)C(4,7) c)E(-9, 3)

B(2,4) D(2, 3) F(-6,1)

14. Use the angle addition postulate to find the measure of the unknown angle. m

E

C

F

D

15. Write the name of the line below. 16. Write the name of the ray below.

F M R

K

17. Use the diagram at right to solve for the unknown angle:

1

a) If m1 = 147o, then m4 = 2 3

4

b) If m2 = 56o, then m4 =

c) If m 3 = 49o, then m2 =

d) If m4 = 147o, then m3 =

18. solve for x

6xo

(4x + 16)o

19. solve for y

(9y – 187)o

(11y – 253)o

For questions 20-23, A and B are complementary, while P and Q are supplementary.

20. If mA = 48o, then mB = If mA = 77o, then mB =

21. If mP = 129o, then mQ = If m Q = 35o, then mP =

22. If mA = (4x - 4)o and mB = (4x +22)o, then x =

23. If mP = (4x - 22)o and mQ = (6x - 8)o, then x =