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