Question

Find the value of x. Show your work!!
A) 10
B) 9
C) -3
D) 4

Answer 1

Hello!

We have:

the angle = 180° (straight angle)

angle1 = (53 + x)°

angle2 = 80°

angle3 = 50°

so:

53 + x + 80 + 50 = 180

183 + x = 180

x = 180 - 183

x = -3