Question

Avinash has a piece of canvas whose area is 551 sq.m. He uses it to make a
conical tent with a base radius of 7m. Assuming that all the stitching margins
and the wastage incurred while cutting, amounts to approximately 1 sq.m.,


(1) How many people can sit inside the tent if a person occupies, on an average.
sq.m area of the floor​

Answer 1

Step-by-step explanation:

Given :

area : 551 m, r = 7 m

wastage :1m 2

as area of cone − 1 ×base×height

2

551 = 1 ×7 × height

2

= 157.4m = height

valun of cone = πr2 = h

1 × 22 × 7 × 157.4 × 1

2 7 7

= 163.89