When lines a and b are cut by transversal d, and are a pair of alternate exterior angles that are formed. If and , find x.
A) x = 3
B) x = 3.5
C) x = 4
D) x = 4.5

Name: When lines a and b are cut by transversal d, and are a pair of alternate exterior angles that are formed. If and , find x. A) x = 3 B) x = 3.5 C) x = 4 D) x = 4.5
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Question

When lines a and b are cut by transversal d,  and  are a pair of alternate exterior angles that are formed. If  and  , find x.
A) x = 3 
B) x = 3.5 
C) x = 4 
D) x = 4.5

Quizplus · Accepted Answer

Alternate exterior angles are congruent, so we have:
x + 3 = 2x - 4
7 = x
Therefore, x = 7, and the correct choice is C, x = 4.

When Lines a and B Are Cut by Transversal D