Surface Area Review

Front

What is surface area?

Back

The sum of all the areas of all the shapes that cover the surface of the object.

Front

How do you calculate the surface area of a rectangular prism?

Back

Add the areas of all six faces: SA = 2lw + 2lh + 2wh.

Front

What is the formula for the surface area of a cylinder?

Back

SA = 2πr(h + r), where r is the radius and h is the height.

Front

What is the surface area of a cube with side length 5 in?

Back

150 in² (SA = 6s², where s is the side length).

Front

How much wrapping paper is needed for a box with dimensions 10 in x 5 in x 2 in?

Back

130 in² (SA = 2lw + 2lh + 2wh).

Front

What is the surface area of a sphere?

Back

SA = 4πr², where r is the radius.

Front

If a cylinder has a height of 10 in and a radius of 3 in, what is its surface area?

Back

246.4 in² (SA = 2πr(h + r)).

Front

What is the total surface area of a rectangular prism with dimensions 4 in x 3 in x 2 in?

Back

52 in² (SA = 2lw + 2lh + 2wh).

Front

What is the surface area of a cone?

Back

SA = πr(r + l), where l is the slant height.

Front

How do you find the surface area of a triangular prism?

Back

SA = bh + 3s, where b is the base area and s is the perimeter of the base.