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 Interactive Checkpoint
 Surface Area:  The total area of the 2-dimensional surfaces that make up a 3-dimensional object.

Answer the following questions about surface area:
Enter each answer below and press tab to check
Graded Response
a) What is the surface area of a cube if each of its faces has an area of 2 in2. a) in2
b) A tetrahedron has a surface area of 20 cm2. What is the area of each face? b) cm2
c) Determine the surface area of a rectangular prism with dimensions
4 in x 3 in x 5 in.
c) in2