Use the diagram at the right below for Exercises 25-27. 25. Justify Mathematical Arguments (1)(G) If 21 = 27, what theorem or postulate can you use to show that l || n? 26. Given: |n, <12 = 28 Proof Prove: j | k 9m6 1) l//n 2) < 12 = 48 given given vor ais KA 1 4X2 3 Jolley 9/5/ E-Exhowem 12 10 8X600 3000 11 7 09mque zi R EIN of interasiqque al 82 n alt=8m 38 = Am Proof 27. Given: j|k, m/8+ m29 = 180 Prove: n tooug rigsagore

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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9msn
Use the diagram at the right below for Exercises 25-27.
25. Justify Mathematical Arguments (1)(G) If /1 = 27,
what theorem or postulate can you use to show that l || n?
26. Given: ||n, 412 = 28
Proof
Prove: j | k
1) l // n
2) < 12 = 28
3)
given
given
(11
j
sel (D)(1)
ais
20
k
E-Exiowom
4X2
3
9/5,
12 10 8 60
7
11
of
mquz z £1
M vi
53 ofranc cualqqua ai a
l
311=8m 38 = 1
27. Given: jk, m/8+ m29 = 180
Prove: n
Proof
tooug greq
calqqus at Six
Talyshteretqqusa
Which sides of quadrilateral PLAN must be parallel? Explain. (() eqiranotaulo latsmedis
= 108
Transcribed Image Text:9msn Use the diagram at the right below for Exercises 25-27. 25. Justify Mathematical Arguments (1)(G) If /1 = 27, what theorem or postulate can you use to show that l || n? 26. Given: ||n, 412 = 28 Proof Prove: j | k 1) l // n 2) < 12 = 28 3) given given (11 j sel (D)(1) ais 20 k E-Exiowom 4X2 3 9/5, 12 10 8 60 7 11 of mquz z £1 M vi 53 ofranc cualqqua ai a l 311=8m 38 = 1 27. Given: jk, m/8+ m29 = 180 Prove: n Proof tooug greq calqqus at Six Talyshteretqqusa Which sides of quadrilateral PLAN must be parallel? Explain. (() eqiranotaulo latsmedis = 108
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