Question

Find the angle of y dasdwadasdaw

Answer 1

C

Explanation:

Since angles x and y lie on a single straight line,

∠x +∠y= 180° (adj. ∠s on a str. line)

Given that ∠x= 42°,

42° +∠y= 180°

∠y= 180° -42° (-42° on both sides)

∠y= 138° (simplify)

Thus, option C is correct.