a toy is in the form of a cone mounted on a hemisphere of radius 3.5 and height of toy
is 15.5 find volume
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area of toy = volume of hemisphere + voloume of cone
Area of toy,
2/3πr^3 + 1/3πr^2h
1/3πr^2(2r+h)
1/3×22/7×3.5×3.5×19
=243.833333
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