Question

Find x in the following figure.

Answer 1

Answer:

x=80°

Steps to solve:

angle 1= 90° ( linear pair)

sum of exterior angles of a polygon is 360°

90+90+40+x+60 = 360

x=360-280=80°

Answer 2

Answer:

90+60+40+x=360

190+x=360

x=360-190

x=50°