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A Fez , the cap used by the Turks is sh...

A Fez , the cap used by the Turks is shaped like the frustum of a cone (see fig ) . If its radius on the open side is 10cm , radius at the upper base is 4cm and its slant height is 15cm , find the area of material used for making it.

Text Solution

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The correct Answer is:
`710 (2)/(7)cm^(2)`
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