1. Surface area of a cube and rectangular prism

2. How to find the surface area of a cube
SA = Ph + 2B
= (12•4)
(12)
+ 2
(12)²
= 48
• 12
+ 2
(144)
= 576
+ 288
12 cm
= 864 cm²
P = the perimeter of the base
h = the height of the cube
B= the area of the base

3. How to find the surface area of a rectangular prism
SA = Ph + 2B
= ( )
•10
+ 2
(14• 6)
10m
= (40)
•10
+ 2
(84)
= 400
+ 168 6m
= 568m²
14m
P= the perimeter of the base
h= the height of the prism
B= the area of the base

4. How to find the lateral surface area of a rectangular prism
SA = Ph
= ( )
• 22
22yd
= (84)
• 22
= 1848 yd²
30yd
12 yd
P= the perimeter of the base
h= the height of the prism

5. How to find the surface area of a cube
SA = Ph + 2B
= ( • )
( ) +
( )² = • +
( ) = +
12 cm =
P = the __________ of the base
h = the _________ of the cube
B= the _______ of the _________

6. How to find the surface area of a rectangular prism
SA = Ph + 2B
= ( ) • +
( )
10m
( )
= ( ) • + = + 6m =
14m
P= the ____________ of the base
h= the _________ of the prism
B= the ____ of the _______

7. How to find the lateral surface area of a rectangular prism
SA = Ph
= ( ) •
22yd
= ( ) • =
30yd
12 yd
P= the ___________of the base
h= the ______ of the prism

8. How to find the surface area of a cube
SA = 6s²
= 6 • (12)²
= 6 • 144
= 864 cm²
12 cm
s = the length of the side of the cube

9. How to find the surface area of a cube
5 ft
25 ft²
25 ft²
25 ft²
25 ft²
6 • 25
150 ft²
25 ft²
25 ft²

10. How to find the surface area of a rectangular prism
SA = Ph + 2B
= ( )•10 + 2(14• 6)
10m
= (40)•10 + 2(84) = 6m
= 568m²
14m
P= the perimeter of the base
h= the height of the prism
B= the area of the base

11. How to find the surface area of a rectangular prism
60mm²
5mm
40mm²
96mm²
8mm
60mm²
40mm²
96mm²
12mm =
392mm²

12. How to find the surface area of a rectangular prism
SA = Ph + 2B
= ( )•18 + 2(8• 4)
18m
= (24)•18 + 2(32) =
= 496m² 4m 8m
P= the perimeter of the base
h= the height of the prism
B= the area of the base

13. How to find the surface area of a rectangular prism
SA = Ph + 2B
= ( )•18 + 2(8• 4)
18m
= (24)•18 + 2(32) =
= 496m² 4m 8m
P= the perimeter of the base
h= the height of the prism
B= the area of the base