# A circular well is dug. Its diameter is 3 1/2m and its depth is 6 m. What is the lateral surface area of the well? What is the volume of the earth removed to make the well?

2
by charlotteds9

2015-02-23T12:16:40+05:30

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Diameter=3.5 m
r=1.75
h=6 m
lateral surface area of a cylinder=rh=65.97 m
volume=πr²h=57.73 m³

so 57.73 m³ soil will remove

plz pick my answer as the best
thanks
2015-02-23T12:59:48+05:30

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Lateral surface area = 2*pi*r*h = 2*3.14*1.75*6 = 65.94 m^2
Volume of earth removed = pi*r^2*h = 3.14*1.75*1.75*6 = 57.7 m^3