Question

Hi this is 7th grade geometry with screenshot

Answer 1

It’s 80 because it is and it’s right

Answer 2

80

Explanation:

ㄥAEC+160=180

ㄥAEC=20

ㄥAEC+x+80=180

20+x+80=180

x=80

There is a more simple method

x+80=160

x=80