Question 34

In a triangle PQR, the side QR is extended to S. ∠QPR = 72° and ∠PRS = 110°, then the value of ∠PQR is:

Solution

Given : ∠QPR = 72° and ∠PRS = 110°

To find : ∠PQR = $$\theta$$ = ?

Solution : Using exterior angle property

=> ∠P + ∠Q = ∠PRS

=> $$72^\circ+\theta=110^\circ$$

=> $$\theta=110-72=38^\circ$$

=> Ans - (A)


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