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Question

In the given figure, QPS=RPTandPRQ=PTS. [4 MARKS]
(i) Prove that ΔPQRΔPST
(ii) If PT:ST=3:4, find QR : PR.

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Solution

Each part: 2 Marks

(i) Proof: QPS=RPT
Adding SPR on both sides, we get
QPS+SPR=SPR+RPT QPR+SPT and PRq=PTs [Given] ΔPQRΔPST [AA Similarity](ii) QRST=PRPT [ΔPQRΔPST] QRPR=STPT=4:3


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