How many cubic meters of earth must be dug to construct a well 7 m deep and
of diameter 2.8 m?
Answers
Answered by
1
Answer:
Height = 7m and Diameter = 2.8m
Find Radius:
Radius = Diameter ÷ 2
Radius = 2.8 ÷ 2 = 1.4 m
Find volume:
Volume = πr²h
Volume = π(1.4)²(7) = 43.12 m³
Answer: 43.12 m³ of earth needs to be dug out.
Answered by
6
Answer:
Answer: 43.12 m³ of earth needs to be dug out.
Step-by-step explanation:
Height = 7m and Diameter = 2.8m
Find Radius:
Radius = Diameter ÷ 2
Radius = 2.8 ÷ 2 = 1.4 m
Find volume:
Volume = πr²h
Volume = π(1.4)²(7) = 43.12 m³
Answer: 43.12 m³ of earth needs to be dug out.
hope it will be helpful ✌️
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