Question

Plz help me this is 7th grade math

Answer 1

x= 40

Explanation:

Answer 2

x=40

Explanation:

so the angle opposite the 20º angle must also be 20º

this means that because 20º and 2 2x's are all on one straight line they must add up to 180

so 180=20+2*2x

160=4x

x=40