Question

Select the answer that has the steps in correct order to prove the following using indirect proof.

Given: m∠3 ≠ m∠1
Prove: line s is not || to line u.

http://secure.starssuite.com/files/Geo2010/Geom_05S_Fig18.jpg

a. m∠2 = m∠3
b. m∠1 = m∠3
c. Assume s || u
d. m∠1 = m∠2
e. line s is not || to line u

Answer 1

first assume that the lines are parallel
then this will lead to showing that <3 = < 1

so then your original assumption is wrong

Answer 2

so you first line is c

can you figure out the others?

Answer 3

c, a, d, b, e

Answer 4

@cwrw238

Answer 5

right !

Answer 6

thanks:D

Answer 7

yw