RahilRifah RahilRifah

19-12-2020
Mathematics

contestada

Q2
How
many cubic metres of earth must be dug to construct a well 7
m deep and of diameter 2.8 m?

Respuesta :

machmillerg machmillerg

19-12-2020

Answer:

43.103m³

Step-by-step explanation:

This is just finding the volume of a cylinder problem.

Area of a circle = πr²

Area of circle * length of cylinder = volume

3.14*(1.4)² = 6.158m²

6.158*7 = 43.103m³

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