Question

A well of diameter 8 meters has been dug to the depth of 21m. the volume of the earth dug out is

Answer 1

Answer:

Step-by-step explanation:

The volume of the earth dug is 704 m³.

Step-by-step explanation:

Given :

Diameter = 8 m

Depth = 14 m

To find :

The Volume of earth dug out

Solution :

Well is a cylinder, the volume is cylinder will be the volume of the earth dug out. The depth is the height.

★ Volume = πr²h

Height = 14 m

Radius = 8/2 = 4 m

⇒ 22/7 × 4 × 4 × 14

⇒ 22/7 × 16 × 14

⇒ 22/7 × 224

⇒ 4928/7

⇒ 704

Volume = 704 m³

Therefore, the volume of the earth dug is 704 m

Answer 2

Answer:

704 meters

Step-by-step explanation:

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