A rectangular prism with a square base has a lateral area of 96 square yards and a surface area of 128 square?

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A rectangular prism with a square base has a lateral area of 96 square yards and a surface area of 128 square?

A rectangular prism with a square base has a lateral area of 96 square yards and a surface area of 128 square yards. What is the length of a base edge?

2007-08-08 02:59:52 · 1 answers · asked by zerokun4 1 in Science & Mathematics ➔ Mathematics

1 answers

The surface area includes the top and bottom, while the lateral area does not. The difference between those two numbers is twice the area of the base.

128 - 96 = 2b
32 = 2b
16 = b

The base area is 16 yd^2 and it is square, so each edge is sqrt(16) = 4 yards

2007-08-08 03:08:16 · answer #1 · answered by McFate 7 · 0⤊ 0⤋