Question

SPAMS WILL BE REPORTED!!!!


I NEED STEP BY STEP XPLANATION ​

Answer 1

Answer:

AOB is straight line

so sum of all angles in AOB will be equal to 180°

applying this

2x+40°+x-20°+x=180°

4x+20 = 180

4x= 160

x = 40°

so option d is correct