Question

If 2 is equal to 127°, what is the measure of 1?

127°
37°
53°
27°


Diagram here: https://media.aop.com/curric/ow-sets/curriculum2016/g_pal_2016/11/img_final_intersecting_lines.gif

Answer 1

If the measure of angle 2 is 127, then the measure of angle 1 must equal 53 because angle 2 and angle 1 are linear angles. Linear angles are angles that are supplementary, or whose measures add up to 180. To find the measure of angle 1 you would need to subtract 127 from 180.