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A circus tent is cylindrical to a hei...

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, the total area of the canvas required in `m^2` is (a) 1760 (b) 2640 (c) 3960 (d) 7920

A

7920 `m^(2)`

B

7820 `m^(2)`

C

9720 `m^(2)`

D

2645 `m^(2)`

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The correct Answer is:
A
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