Lesson 2-6 WKST Answer Key
1.
Given: 1 A
Prove: 2 A
Statement
Reason
1 A
Given
1 2
Vertical s Thm
2 A
2.
Trans. Prop Of
Given: MO TO , TE TO
Prove: MO TE
Statement
Reason
MO TO TE TO
Given
MO TE
Trans. Prop Of
3.
Given: C is the midpoint of BD and AB BC
Answers: Chapter 3 Parallel and Perpendicular Lines
Study Guide: Review;
6. Possible answer: E and E are skew.
I ZEUS?
& EELEE
10. f; alt. int. As
12. f; same-side int. As
16. mADEF= 79°
17. szR8 = 76°
18. 24 z :6, so 0 H d by the Conv. of Alt.
Lesson25AlgebraicProofWKSTAnswerKey
1. F
2. C
3. J
4. E
5. A
6. I
7. G
8. K
9. L
10. D
11. H
12. B
13.
1
5 ( a +10 ) 5 ( - 3 )
=
5
(Mult. Prop. of =)
a + 10 = -15
a 10 - 10 = 15 10
a = 25
(Simplify.)
(Subtr. Prop. of )
(Simplify.)
t 6.5 t = 3t 1.3 t
(Subt