Height of cylinder is equal to the diameter of the cylinder. If d

Height of cylinder is equal to the diameter of the cylinder. If d
| Height of cylinder is equal to the diameter of the cylinder. If diameter of the cylinder is a cm then find volume of cylinder.

A. a<sup style="">3</sup>&pi;/4 cm<sup style="">3</sup>

B. a<sup style="">3</sup>&pi;/2 cm<sup style="">3</sup>

C. a<sup style="">3</sup>&pi;/8 cm<sup style="">3</sup>

D. a<sup style="">3</sup>&pi; cm<sup style="">3</sup>

Please scroll down to see the correct answer and solution guide.

Right Answer is: A

SOLUTION

Given:

Diameter of the cylinder = a cm

Height of the cylinder = Diameter of the cylinder

Formula:

Volume of cylinder = πr2h

Calculation:

Radius of the cylinder = a/2 cm

Volume of the cylinder

⇒ π × (a/2)2 × a

⇒ π × [a2/4] × a

⇒ a3π/4 cm3