A shuttle cock used for playing badminton has the shape of a frustum of a cone mounted on a hemisphere. The diameters of the ends of the frustum are 5 cm and 2 cm, the height of the entire shuttle cock is 7 cm.Find the external surface area (pie=22/7)

Asked by  | 7th Feb, 2012, 10:53: AM

Expert Answer:

Now, put in all the values to get the answer.

Answered by  | 7th Feb, 2012, 11:50: AM

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