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andisapproAmasoeasestitching marginswastage in cutting10. AJoker's cap is in the form of a right circular cone of base radius 7 cm and height 27 cm.Find the area of the sheet required to make 10 such caps.

Answer»

this is .....

height =27 cm not 24

Radius = 7cmheight = 27 cm

l =√r² +h²l =√7² + 27²l =√49 + 729l = √778l = 27.89

Curved surface area of one conical cap =πrl= (22/7)×(7)×27.89= 613.638 cm²

6136.38 is the answer



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