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How to answer this question... URGENT MENSURATION MATH HELP?
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- Rita the dogLv 76 years ago
Triangle PQS is a right triangle because it is inscribed in a semi-circle. Therefore both angles at S are right angles, triangle PQS and triangle PRS are both right triangles are right triangles, and they have equal hypotenuses and the same altitude PS. Therefore they are congruent and SQ=SR, i.e. S is the midpoint of QR.
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