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5.The adjacent sides of a parallelogram are 15cm&17cm If it's one diagot is 22cm ;find the area of te parallelogram. (Given √2=1.414) |
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Answer» Answer: CONSIDER AB=51cm, BC=37cm and AC=20cm. In ΔABC, s=2a+b+c =251+37+20 =54 The AREA of ΔABC is, A=s(s−a)(s−b)(s−c) =54(54−51)(54−37)(54−20) =54(3)(17)(34) =93636 =306cm2 The area of parallelogram is the twice of ΔABC, A=2×306 A=612cm2  Step-by-step EXPLANATION: please mark me as a brainliest |
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