Question

In the adjoining figure , PQ || RS a= 108 ° the find the values of b & f .​

Answer 1

Answer:

72°

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given,

PQ || RS and a line goes through both making it a transversal.

a = 108⁰

Therefore,

f = a ( Corresponding angles in a transversal are equal)

f = 108⁰

also b forms a linear pair with a

180⁰ - a = b

180⁰ - 108⁰ = b

72⁰ = b