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A toy is in the form of a cone surmounted on a hemisphere. The diameter of the base and the height of cone are 6cm and 4cm. determine surface area of toy?

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Given height of (h) = 4cm

Diameter of cone (d) = 6cm

Radius (r) = 6/2 = 3cm

Let ‘l’ be slant height of cone

Slant height of cone (l) = 5cm

Curved surface area of cone (S1) = πrl

Curved surface area of toy =103.62cm2

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