Formula For The Volume Of A Cylinder And Line Graphs Worksheets

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Formula for the Volume of a Cylinder
The formula for finding the volume of a cylinder is V = Bh. This is the same formula we use to find the
volume of a triangular prism. The capital B in the formula represents the area of the base. For a cylinder,
the base is a circle rather than a triangle. The height may be vertical or horizontal, but it is always the
distance between the two circular bases.
Base (B)
Base
(B)
height (h)
height (h)
You know the formula for finding the area of a circle is A = πr
. Put πr
2
2
in place of B in the formula.
Substitute the correct number for each variable in the formula and solve the equation. Study the example.
A storage tank for petroleum has a circular
5 m
base with a radius of 5 m. The tank is 8 m
high. What is the volume of the tank?
V = Bh
8 m
V = (πr
)h
2
V = (3.14 × 5 × 5) × 8
V = 78.5 × 8
V = 628
Remember that volume is given in cubic units. The volume of the storage tank is 628 cubic meters, or
3
628 m
.
33

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