Question

In given figur line in pq and rs are intersecting lines anglr a = 50° angle b = 90° find the value of angle c , angle d , angle c and angle f​

Answer 1

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∠POR+∠ROQ=180

o

(Linear pair of angles)

But ∠POR:∠ROQ=5:7 (Given)

Therefore, ∠POR=

12

5

×180=75

o

Similarly, ∠ROQ=

12

7

×180=105

o

Now, ∠POS=∠ROQ=105

o

(Vertically opposite angles)

and ∠SOQ=∠POR=75

o

(Vertically opposite angles)

Step-by-step explanation:

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Answer 2

refer to the attachment