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ΔABC≅ΔPRQ andAB=5cm,BC=6cm ,AC=7cm, What is the length of QR? |
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Answer» Hope it's help you plz remark as brainliest... Step-by-step EXPLANATION: Given, △ABC∼△PQR, as corresponding SIDES of SIMILAR triangles are proportional, ∴ PQ AB
= QR BC
= RP CA
= k 1
(let) ALSO, AB=5,BC=6,AC=7 So, PQ=5k,QR=6k,RP=7k Perimeter of △PQR=PQ+QR+RP ⇒360=5k+6k+7k⇒360=18k⇒k=20 Thus, PQ=5×20=100,QR=6×20=120,RP=7×20=140 |
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