Surface Area NOTES

7 Perimeter, Area, Volume, Surface Area.notebook December 18, 2012
DO NOW:
Monica wants to carpet her living room, which is made up of a
rectangle and a semicircle as shown in the diagram below.
8 ft
Surface Area:
is the sum of the areas of the bases plus the areas of the lateral faces (sides).
15 ft
How much carpet, to the nearest square foot, will Monica need?
Formula for Surface Area of a Rectangular Prism:
SA = 2lw + 2hw + 2lh
The rectangular prism shown below has a length of 3.0 cm, a width of 2.2 cm, and a height of 7.5 cm.
A box needs to be covered in brown paper before ailing. m If the dimensions of the
box are 3 feet by 3 feet by 2 feet, what is the surface area of the box that
will need to be covered?
What is the surface area, in square centimeters?
The length and width of the base of a rectangular prism are 5.5 cm and 3 cm. The height of the
prism is 6.75 cm. Find the exact value of the surface area of the prism, in square centimeters.
A plastic storage box in the shape of a rectangular prism has a length of x + 3, a
width of x ­ 4, and a height of 5. Represent the surface area of the box as a
trinomial in terms of x.

7 Perimeter, Area, Volume, Surface Area.notebook December 18, 2012
A rectangular clothing box has a length of x + 7, a width of x ­ 2, and a height
of 3. Represent the surface area of the box as a trinomial in terms of x.
Formula for Surface Area of a Cylinder:
SA = 2πr 2 + 2πrh
Find the surface area of the cylinder in the diagram below, to
the nearest thousandth.
Find, to the nearest tenth, the surface area of a cylinder that has a height of 15
inches and a diameter of 4 inches.