Question

Find the measurement of the angle labeled X

PLEASE IM REALLY BAD AT THESE QUICK!!!!!!!!!!!!!

Answer 1

b.

42+x+90+8=180° linear pair

x=180-140=40°

x=40°

c.

10+x+90+3x=180 linear pair

4x=180-100

x=80/4=20

x=20°