whats the total surface area of the five sides( rectangular solid)? 20in., 24in, 8in.

Doesn't a rectangular solid (like a box) have six sides?

A = LW

Use that formula for each of the three pair of sides.

no

To find the total surface area of a rectangular solid, we need to find the sum of the areas of all five sides.

A rectangular solid has six sides, but one of the given dimensions is missing. Therefore, we cannot determine the exact dimensions of the rectangular solid with the information provided (20in., 24in., 8in.).

However, if we assume that the missing dimension is equal to the other given dimension with a length of 20 inches, we can calculate the total surface area based on that assumption.

Let's assume that the length is 20 inches, the width is 24 inches, and the height is 8 inches.

The total surface area of a rectangular solid is given by the formula:

Surface Area = 2lw + 2lh + 2wh

Substituting the given values, we get:

Surface Area = 2(20)(24) + 2(20)(8) + 2(24)(8)

Surface Area = 960 + 320 + 384

Surface Area = 1664 square inches

Therefore, the total surface area of the five sides (assuming dimensions of 20in., 24in., 8in.) is 1664 square inches.