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H. S. B. L. h. S. r. S. Volume of a prism. The general formula for the volume of a prism is: V = AH. A = cross-sectional area H = perpendicular height. More specifically Rectangular prism. Cylinder. Cube. V = LBH. V = π r 2 h. V = S 3. 7m. 5m. 12m. Example 1.

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volume of a prism

H

S

B

L

h

S

r

S

Volume of a prism

The general formula for the volume of a prism is:

V = AH

A = cross-sectional area

H = perpendicular height

More specifically

Rectangular prism

Cylinder

Cube

V = LBH

V = πr2h

V = S3

example 1

7m

5m

12m

Example 1

Find the volume of the following

V = AH

= ½bh × H

= ½ × 12 × 7 × 5

= 210 m3

volume of a sphere

Example 2

Find the volume of a ball with a diameter of 22cm.

Volume of a sphere

The volume of a sphere is given by

Diameter = 22cm

Radius = 11cm

today s work
Today’s work

Exercise 6E pg 211

Q1 b, d & e

Q2

Q5