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A tent is in the form of a right circ...

A tent is in the form of a right circular cylinder surmounted by a cone. The diameter of cylinder is 24 m. The height of the cylindrical portion is 11 m while the vertex of the cone is 16 m above the ground. Find the area of canvas required for the tent.

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Area of canvas required=>curved surface area of cone+curved surface area of cylinder
Curved surface area of cone=`pirl` where r is the radius and l is the slant height.
`l=sqrt(r^2+h^2)`=>`sqrt(12^2+5^2)=13m`
C.S.A of cone=>`22/7xx13xx12=490.28(m)^2`
C.S.A of cylinder=`2pirh=2xx22/7xx12xx11=829.7(m)^2`
total amount of canvas required=>`1320(m)^2`approximately.
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