A 20 m deep well with diameter 7m is dug and earth from digging is evenly spread out to form a platform 22m by 14 m . Find the height of platform
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Step-by-step explanation:
volume of well is pie r square height
=>22/7 ×7/2×7/2×20
=>770
volume of well = volume of platform
therefore,
770=l×b×h
=>770=22×14×h,770/308=h
=>h=2.5
Hope It Helps.....
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