Question

Help I don’t know how to do this

Answer 1

20 + 120 = 140
180 -140 = 40
180-40 = 140
Teh angle is 140 :)

Answer 2

y = 140°

Explanation:

we know that sum of two opposite interior angles are equal to one exterior

=> y = 120° + 20°

=> y = 140°

hope it helps