Question

answer this please i will gove you 15 points help me plsss ​

Answer 1

Answer:

a.

it's 180°

so,

40+x=180°

x=180°-40°

= 140°

b.

it's 90°

47+x=90°

x= 90-47

= 43°

hope it helps u

pls mark me as brainliest pls