Question

11. A circus tent is cylindrical to a height of 3 m and conical above it. If its base
radius is 52.5 m and the slant height of the conical portion is 53 m, find the
area of canvas needed to make the tent. [Take n =
22.
[CBSE 2004)
1​

Answer 1

Answer:

9735m²

Step-by-step explanation:

C.S.A of cylinder =2πrh

C.S.A. of conical portion S2 =πrl

Area of canvas of tent =S1 + S2

=2πrh+πrl

= πr(2h+l)

= (22/7) × 152.5(3×2+53)

=9735m²