Question

The volume of a right circular cylinder can be approximated as follows:Volume = πr2h;where r is the radius of the cylinder and h is the height of the cylinder;π is a constant that is roughly equal to 3.Using the simple approximation above, calculate the volume of a right circular cylinder with a radius of 2 meters and a height of 9 meters.

Answer 1

18pi

pi-PIE in math

18pi=56.54866776

Answer 2

Volume of the right circular cylinder is
`113.04 m^(3) \\`

Step-by-step explanation:

Given -

Radius of the right circular cylinder
`= 2\\` meters

Height of the right circular cylinder
`= 9\\` meters

The volume of the right circular cylinder is given by the following formula

`\pi r^(2) h\\` ..............Eq (A)

Where,

`\pi = 3.14\\` , a constant

`r = \\` radius of the cylinder in meters

`h = \\` height of the cylinder in meters

Substituting the given values in above equation A, we get -

`\pi r^(2) h\\= (3.14) ( 2^(2)) (9)\\ = 113.04 m^(3) \\`

Thus, Volume of the right circular cylinder is
`113.04 m^(3) \\`