1. Given: m |l n, 2l = 23 Prove: a | b 21 3 Proof:

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter10: Analytic Geometry
Section10.4: Analytic Proofs
Problem 30E: Complete an analytic proof of the following theorem: In a triangle that has sides of lengths a,b,...
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Answer the question of the attached photo below.

Skili: Proving of properties of paraillel lines cut by a transversal
Directions: Complete the following proof by adding the missing statement or
reason.
1. Given: m || n, 21 = 43
Prove: a || b
Proof:
Statements
Reasons
1.mln
1.
2.22 and 43 are supplemenfary 2s.
2.
3.
3. Definition of Supplementary ZS
4. 21 43
5.
5. Definition of Congruent LS
6.mzl + mz2 = 180
7.
8.
4456708.
2.
Transcribed Image Text:Skili: Proving of properties of paraillel lines cut by a transversal Directions: Complete the following proof by adding the missing statement or reason. 1. Given: m || n, 21 = 43 Prove: a || b Proof: Statements Reasons 1.mln 1. 2.22 and 43 are supplemenfary 2s. 2. 3. 3. Definition of Supplementary ZS 4. 21 43 5. 5. Definition of Congruent LS 6.mzl + mz2 = 180 7. 8. 4456708. 2.
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