Geometry Spring Week 8

Chapter 15

4) 24 un. squared
5) (x-1)^2 + (y+2)^2 = 9
6)a. (-1,1)
b. 5
c. Yes, OK = 5
12)a. Collinear
b. Noncollinear
c. Collinear
16)a. y = 7
b. y = 3-x
c. x = 6
d. y = 1-4x
17)a. y = 2
b. x = -5
24) x^2 + (y-9)^2 = 25

Geometry Spring Week 7 Answer Key

Chapter 14

1)#1
6)60
7)35sqrt(3)
9)9sqrt(3)
10)104
11)52
12)17.5
13)162
14)52+36sqrt(3)
15)a. 8
b. 2sqrt(11)
c. about 3.04
20)5
21)a. 9/11
b. 55
23)45
26)12
33)47
37)about 161.4
41)260
54)4sqrt(3)

Geometry Spring Week 6 Answer Key

Chapter 13

5)14
6)1 or 21
7)18
8)2
13)5
14)12
19)9pi
20)about 40
25)2.7

Geo Spring Week 5 Answer Key

Chapter 13

5. 14
6. 1 or 21
7. 18
8. 2
13. 5
14. 12
19. 9pi
20. about 39.986
25. 2.7

Geo Spring Week 3 Answer Key

Chapter 12

1. 66 degrees
2. 52.5 degrees
3. 25 degrees
4. 66 degrees
5. 12.5 degrees
6. 38 degrees
7. 66 degrees
8. 61 degrees
9. 24 degrees
10. 75 degrees
11a. 36 degrees
11b. 30 degrees
12. 26 degrees
17. x=82, y=59, z=39

Geometry Spring Week 1 Answer Key

4a) x=24
4b) x=10 or -10
4c) x=47/8
4d) x=5
43) x=7 or -3

8a) Yes
8b) Yes
8c) No
8d) No
8e) Yes

9a) HG=15
9b) HW=4
9c) KH=7
9d) WG=24
9e) KH=3, KE=9

14) One polygon has side length 12, the other 27.

15a) JB=12 RA=8
15b) TS=14 LK=17.5
15c) ST=10 KL=16
15d) SU=5 x=9

16) 2.Parallel
3.Line parallel to one side divides other 2 sides proportinally (post. 10.1)
4.Substitution
5.Corresponding Angles
6.Given
7.Transitive
8.Since two angles of triangle are congruent, the other angle must be congruent.
9.ASA
10.CPCTC
11.Substitution

Geometry Spring Week 2 Answer Key

Chapter 11

3) r=16 s=9 t=15

11) 8

13) 24

15) 20/3

18) 5sqrt(3)

23a) 4
23b) 4sqrt(3)
23c) 4/sqrt(2) or 2sqrt(2)