Question

plz give corrdct value of y​

Answer 1

Answer:

3y + 20 + 2y - 40 = 180° (Linear Pair)

or, 5y - 20 = 180°

or, 5y = 180 + 20

or, y = 200/5

or, y = 40°

Answer 2

Answer:

3y+20 + 2y-40 = 180° ( Linear pair )

=> 5y+(-20) = 180°

=> 5y-20 = 180°

=> 5y = 180°+20°

=> y = 200°/5

=> y = 40°. ans ......