In the given figure, ∆PQR is an equilateral triangle. Point S is on – InterviewSolution

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1.	In the given figure, ∆PQR is an equilateral triangle. Point S is on seg QR such thatQS = 13 QR.Prove that : 9 PS2 = 7 PQ2
Answer» In the given figure, ∆PQR is an equilateral triangle. Point S is on seg QR such that QS = $\frac{1}{3}$ QR. Prove that : 9 PS²= 7 PQ²

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