A jokers cap is in the form of a right circular cone of base radius 7cm and height27 cm find the area of sheet required to make 10 such caps
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Base radius of the cone is 7cm.
Height = 27cm.
The area of the sheet = the surface area of the cone= or (r +√h square + √ R square)
=22/7 ×7(7+√27 square + 7 square)
=767.33cm
hence,Area of the sheet required to make 10 such caps = 767.33 ×10=7673.3 cm.
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