Question

A hollow sphere im which circus motor cyclist performs his stunts ha s a diameter of 7 metre . Find the area available for motor cyclist for ridung

Answer 1

the area available for motorcyclist for riding is 154 metre².

Explanation:

Given:

Diameter = 7 metre.

Now, to find the area available for motorcyclist for riding.

So, by putting the formula of area we solve it:

Radius =
`diameter/ 2`

Radius =
`7/ 2=3.5 metre`

Thus, the area
`=4\pi r^2`

(Taking the value of π =3.14)

`=4* 3.14* 3.5^2`

`=12.56* 12.25`

`=153.86`

So, the area = 154 metre²(approximately)

Therefore, the area available for motorcyclist for riding is 154 metre².