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Find the total surface area of a hemisph...

Find the total surface area of a hemisphere of radius 10 cm

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Radius, `r=10cm`
As we know that T.S.A of a hemisphere = `3pir^2`
T.S.A of a hemisphere = `3xx22/7xx10^2`
T.S.A of a hemisphere = `942cm^2`.
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  15. Find the volume of hemisphere of radius 3.5cm.

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