Question

Please answer this question

Answer 1

Step-by-step explanation:

a)x+1/2x=180degree(being Co-exterior angle)

x+x/2=180degree

x+x=180*2

x+x=360degree

2x=360degree

x=360/2

x=180degree

1/2x =180/2=90degree

b)x+4x=180degree

5x=180

x=180/5

x=36degree

Answer 2

I don't known

pls mark brainliest