a joker cap is in the form of right circular cone of base radius 7cm and height 27cm. find the area of the sheet required to make 10such caps.
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Slant height L= √(r2+h2)=√49+729=27.89cm
Area= πrl= 22/7*7*27.89=613.63 cm2
Area of sheet required to make 10 such caps= 613.63×10=61363m2
Area= πrl= 22/7*7*27.89=613.63 cm2
Area of sheet required to make 10 such caps= 613.63×10=61363m2
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