Question

please give answer of 9th question in detail who give more detail answer I am mark him as a brain list

Answer 1

Value of y:

y + 70° = 180° (Linear Pair)

y = 180° - 70°

y = 110°

Value of z:

z + 50° + 90° = 180° (Linear Pair)

z + 140° = 180°

z = 180° - 140°

z = 40°

Value of x:

70° + z + x = 180° (Angle Sum Property)

70° + 40° + x = 180°

110° + x = 180°

x = 180° - 110°

x = 70°

Hope it helps :)

Answer 2

The value of y=180-70=110(linear pair)
The value of z=90-50=40
So the value of x=110-40=70(Exterior angle formula)