Respuesta :

Cordelia00
Pretty sure the answer is 40. If memory serves correctly you set them equal to each other
x + 77 + x + 117 = 180 
2x + 194 = 180
2x = 180 - 194
2x = -14
x = -7

angle x +77 = -7 + 77 = 70
answer: measure of the angle x+77 = 70