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Find the volume and the total surface...

Find the volume and the total surface area of a hemisphere of radius 3.5 cm. `(U s e\ pi=(22)/7)`

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Radius of hemisphere = `3.5cm`
Volume of hemisphere=`2/3pir^3`
=`2/3xx22/7xx3.5^2`
=`89.83cm^3`

T.S.A of hemisphere = `3pir^2`
=`3xx22/7xx3.5^2`
=`115.5cm^2`
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