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A fez, the cap used by the Turks, is sha...

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

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To find the area of material used for making the fez (which is shaped like the frustum of a cone), we need to calculate the curved surface area of the frustum and the area of the circular top. ### Step-by-Step Solution: 1. **Identify the given values:** - Radius of the lower base (R2) = 10 cm - Radius of the upper base (R1) = 4 cm - Slant height (L) = 15 cm ...
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