Charmaines B.O.B

Rectangular Prism: Volume and Surface Area

In my B.O.B we are going to find out the

volume and the surface area of this

rectangular prism.

Surface Area

Here is my formula for my rectangular

prism.

2 ( 4 x 2 )+ 2 ( 1 x 2 )+ 2 ( 4 x 1 ) =
2 (8 cm2 ) +2 ( 2 cm2 ) + 2 ( 4cm2 ) =

16 cm2 + 4cm2 + 8cm2 = 28 cm2

The second way in finding the surface

area.

2cm 2 + 2cm2 + 4 cm2 + 4 cm2 + 8cm2

+ 8 cm 2 = 28 cm2

Volume

Now here is the volume for my rectangular

prism.

( L x W ) x H = area or you can also use.......

Area of the base x height

Formula :

( L x W ) x

H = area
L = 8

W = 4

( L x W ) x H H = 1

( 8 x 4 ) x 1 =32 x 1 = 32 cm3

Or the other way is

Area of the base x height = area of a rectangular

prism. The area of our base is 32 and 32 x our

height would be 32 x 1= 32 cm 3.