a joker's cap is in the form of a right circular cone if base radius 7 cm and height 24cm. find the area of the sheet required to make 10 such caps?
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Radius=7cm
Height=24 cm
Slant height[l]=√r²+h²=√7²+24²=√49+576=√625=25cm
C.S.A of cap=pi*r*l=[22/7*7*25] cm sq.
sheet req to make 10 such caps =22/7*7*25*10=5500cm²
Height=24 cm
Slant height[l]=√r²+h²=√7²+24²=√49+576=√625=25cm
C.S.A of cap=pi*r*l=[22/7*7*25] cm sq.
sheet req to make 10 such caps =22/7*7*25*10=5500cm²
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