Find the length of canvas 2m in width is required to make a conical tent 20m in diameter and 42m in slant height allowing 10% for folds and stiching .Also find the cost of canvas at the rate RS 80per m plzz explain also...
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Step-by-step explanation:
fist find the lateral surface area which is pi×r×l
to find l use pythagoras theorum
then add 10% to it of the lateral surface area
to find the cost multiply it by 80 as mentioned
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