Question

Find the measure of angle A.

x + 47
780
x + 61
A) 31°
B) 44°
C) 51°

Answer 1

180 degrees in a triangle

180 - 78 - 47- 61 = -6

2X = -6

-6/2 = -3

-3 + 47 = 44

-3+61= 58

78 + 58 + 44= 180

A = 44 degrees

Answer 2

A hope it’s correct