RahilRifah
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 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

Answer Link

Otras preguntas

“Lather and Nothing Else” is mostly about
art is often controversial because
what is the approximate period of this wave?
What involves the movement of materials inside the cell?
What was a goal of the Zapatistas of Mexico in 1994? to recover land taken by Spanish conquerors to reform Mexico's failing agricultural crop to wage war with M
how do you turn 50/10 into a mixed number
40% percent of what number is 34
Which electromagnetic waves emitted from the sun produce a heating effect?
evaluate the expression 15 - n when n = 9
in the formula l=p+prt, what does l equal when p=500,r=20%, t=2