Caitlinmelton98 Caitlinmelton98

14-09-2016
Mathematics

contestada

Parallel lines are cut by a transversal such that the alternate interior angles have measures of 3x + 17 and x + 53 degrees. The value of x is:

A. 9
B. 18
C. 35
D. 71

Respuesta :

texaschic101 texaschic101

14-09-2016

alternate interior angles are congruent...they are equal. So lets set them equal and solve for x

3x + 17 = x + 53
3x - x = 53 - 17
2x = 36
x = 36/2
x = 18

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