If a rectangular face has an area of 120 square inches, which of the following dimensions could the rectangular face have?
7
a. 5 in. x 15 in.
c. 18 in. x 6 in.
b. 5 in. x 8 in.
d. 15 in. x 8 in.
To find the possible dimensions of the rectangular face, we need to find the pairs of numbers that multiply to give us an area of 120 square inches.
a. 5 in. x 15 in. = 75 square inches (not possible)
b. 5 in. x 8 in. = 40 square inches (not possible)
c. 18 in. x 6 in. = 108 square inches (not possible)
d. 15 in. x 8 in. = 120 square inches (possible)
The only dimensions that could the rectangular face have is 15 in. x 8 in. Therefore, the correct answer is choice d.