Answer:
Explanation:
question 7: so the entire thing is 180 degrees. if one of them is 18 degrees then
x = 180-18 = 162 degrees
question 8: both to angles equal a right angle which is 90 degrees. so one of the angles is 52 degress
so x will equal:90-52= 38
question 9 : x is 32 degrees bacuse they r parallell