Question

In the adjoining figure, a ║ b and c is a transversal line. If ∠8 = 1150, then find all other unknown angles marked in the figure.  (Give reasons also)                                                   (3)                                                                ​

Answer 1

Step-by-step explanation:

If p∥q then

125

∘

+∠e=180

∘

(linear pair)

∠e=55

∘

∠f=55

∘

(vrtically opposite angles)

∠a=∠e (pparallel toq)

∠a=55

∘

∠d=125

∘

(pparalleltoq)

∠c=∠f=55

∘

∠b+∠c=180

∘

(linear pair).

∠b=125

∘

this is the sample one