1. Algebra IA
Chapter 12
Surface Area

2. Definition of Surface Area:
The areas of all of the faces added together!
Example of surface area for a rectangular prism:
Top +
Bottom +
Front +
Back +
Left Side +
Right Side

3. Rectangular Prisms
Top/ Bottom 3’ 4’ 3’
Left & Right Side
10’ 3’
10’
Front/Back
10’ 4’ 4’

4. Area of Top + Area of Bottom3’ 4’ 3’ 4’
(3)(4) + (3)(4)= =
24 ft 2

5. Area of Front + Area of Back
10’ 4’
10’ 4’
(10)(4) + (10)(4)= =
80 ft2

6. Area of Left Side + Area of Right Side
10’ 3’
10’ 3’
(10)(3) + (10)(3) = =
60 ft2

7. The Total Square Footage is 164 ft2
Therefore, the surface area of the rectangular prism is...
Top + Bottom = ft2 +
Front + Back = ft2 +
Left Side + Right Side = ft2
The Total Square Footage is 164 ft2

8. Click here to go back to the Surface Area Assignment.