Inner diameter of a well is 3.5 m , height is 10m.
Find the inner curved surface area
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csa=2πrh
= 2×22\7×3.5\2×10
= 770
= 2×22\7×3.5\2×10
= 770
vedulahimabindu:
Your answer is wrong
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here is your attachment ......
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Even i did the same...
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