a 20m deep well with diameter 7 cm .is dug from digging is evenly spread out to form a platform 22m by 14m.then the height of the platform is
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Is diameter in cm or m??
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first ,volume of well which in the shape of cylinderby πr^2h than volume of platform by l*b*h now put both value equall then we find h of platform. answer is 25cm. solve it
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