The figure below is a net for a right
rectangular prism. Its surface area is
160 in² and the area of some of the
faces are filled in below. Find the area
of the missing faces, and the missing
dimension.
2 in
20 in²
?
2 in
5 in
A
10 in²
A
10 in² 5 in
Answer
2 in
2 in
20 in²