Question

r s aggarwal book exercise 7.2 class 9​

Answer 1

Answer:

x = 40°

y = 40°

z = 50°

t = 90°

I hope it will help u

Answer 2

Answer:

T=90°(vertically opposite angles)

Z=50(vertically opposite angles)

Y+90+50=180(straight line angles)

Y=180-140

Y=40

Similarly Y=x =40°(vertically opposite angles)