Question

solve question no. 7,8and9. urgently

Answer 1

7) let one angle be x so another angle will be 80-x
then , equation will be
x- (80-x)= 20
x-80+x=20
2x =100
x =50
first angle = 50
second angle=80-50=30
third angle =180-(50+30) =100. {angle sum property of triangle}

Answer 2

Hope this answer will help you