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valkas [14]
3 years ago
10

Find the volume of a cylinder with a diameter of 10 inches and a heigth of 20 inches

Mathematics
2 answers:
Galina-37 [17]3 years ago
7 0
So first, the formula is pi*r^2*h. The radius is 5 inches so do 3.14*5*5*20. If you do this, the answer is 1,570 cubic inches.
shutvik [7]3 years ago
4 0
Lets find the volume of a cylinder with a diameter D=10 inches and lenght L= 20 inches. First we need to notice that the diameter is twice the size of the radius: D=2r. Then we write the equation for the volume of the cylinder. it is the base times the height: V=pi*r^2 * L. Now we input the nubmers in the equation: V=3.14*(D/2)^2 * L where r=D/2=5 inches and after calculating we get: V=1570 inches^3
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