A jokers cap is in the form right circulcur cone whose base is 7cm and height is 24cm find the area of the sheet requaired to make 10 such caps.
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GIVEN:-
Radius of cone, r = 7cm
Height of cone, h = 24cm
l =√r² +h²
l =√7² + 24²
l = √49 + 576
l = √625
l = 25
Curved surface area of one conical cap = πrl
= (22/7)×(7)×25
= 550 cm ²
Curved surface area of 10 conical caps = 10 × 550 cm ²
= 5500 cm²
∴ The area of sheet required to make 10 conical caps is 5500 cm²
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