A shuttle cock used for playing badminton has the shape of a frustum o – McqOptions

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1.	A shuttle cock used for playing badminton has the shape of a frustum of a cone mounted on a hemisphere. The external diameters of the frustum are 5 cm and 2 cm, the height of the entire shuttle cock is 7 cm. Find the external surface area.
A.	84.30 cm2
B.	80 cm2
C.	74.29 cm2
D.	63.38 cm2
Answer» D. 63.38 cm2

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