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13. In the figure given below, APOR is r...

13. In the figure given below, APOR is right-anglea ar unutre poin S and I trisect the side QR. Prove that 8PT? = 3PR +5953 CBSE 2006 GIVEN A APQR in which ZPQR -90, S and T are the points of trisection of QR. TO PROVE SPT = 3PR? +5PS PROOF Let QS = ST = TR = x. Then, OS = x, QT = 2x and QR = 3x. ale POS, POT and PQR, by Pythagora

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