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determine the longest tape which can be used to measure exactly the length 7 m , 3m 85 cm and 12 m 95 cm |
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Answer» Answer: FIRST CHANGE the length into cm. [1m= 100cm] 7M= 700cm 3m 85cm= 3×100+85= 385cm 12m95cm= 12×100+95=1295cm Find the H.C.F of 3 lengths 700cm, 385cm, 1295cm 700= 2× 2× 5×5×7 = 2²×5²×7 385= 5×7×11 1295= 5×7×37 H.C.F= 5×7 = 35 _____________________________ The longest tape which can be USED to measure exactly the length 700cm, 385cm & 1295cm = 35 _____________________________ Hope this will help you.. |
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