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Question

A circus tent is cylindrical to a height of 4 m and conical above it. If its diameter is 105 m and its slant height is 40 m, then find the total area of the canvas required.

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Solution

We have,Height of the cylindrical part, H=4 m,Radius of the base, r=1052 m andSlant height of the conical part, l=40mNow,The total area of canvas required=CSA of conical part+CSA of cylindrical part=πrl+2πrH=πrl+2H=227×1052×40+2×4=11×15×48=7920 m2

So, the area of the canvas required to make the tent is 7920 m2.

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