In the figure, PQ = PS and SRP is a straight line. Find ∠RQS\angle\text{RQS}. Ans: ___ ∘^\circ

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Worked solution

23

1. Find the base angles of the isosceles triangle PQS

Since PQ=PSPQ = PS, △PQS\triangle PQS is an isosceles triangle.
∠PQS=∠PSQ=180∘−∠QPS2\angle PQS = \angle PSQ = \frac{180^\circ - \angle QPS}{2}
∠PQS=180∘−27∘2=153∘2=76.5∘\angle PQS = \frac{180^\circ - 27^\circ}{2} = \frac{153^\circ}{2} = 76.5^\circ

2. Find angle RQS

∠RQS=∠PQS−∠PQR\angle RQS = \angle PQS - \angle PQR
∠RQS=76.5∘−44∘=32.5∘\angle RQS = 76.5^\circ - 44^\circ = 32.5^\circ

Answer

32.532.5

AI analysis — may contain mistakes.

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