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A toy is in the form of a cone of radius 3.5cm mounted on a hemisphere of same radius.

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A toy is in the form of a cone of radius 3.5cm mounted on a hemisphere of same radius. The total height of toy is 15.5cm. Find the total surface area of toy?

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Given radius of cone (r) =3.5cm

Total height of toy (h)=15.5cm

Length of cone (l) = 15.5 - 3.5=12cm

Length of cone (l) =12 cm

Curved surface area of cone = πrl

Curved surface area of hemisphere = 2πr2

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