the inner diameter of the circular well is 42 M it is 12 m deep find its inner curved surface area
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raj9179:
wow thanks thanks
no probs bro
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d=42m
r=21m
h=12m
now we are asked for inner CSA
therefore
CSA = 2πrh
=2×22/7×21×12
=2×22×3×12
=44×3×12
=1584cmsqr
thank thanks
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