The surface area of a cube with an edge length of 5 inches is 150 square inches.
determine the length of one edge of a cube that has a surface area of 864 square inches.
216 square inch total surface area, divide that by 6 to have the area of each square face, 36 square inch. The square root of that is the length of one side, 6 inches.
Invalid conversion: square inches is a measure of area and inches is a measure of length or distance.
Taking the four sides as each having 6 inch length, and the sum of the widths and heights of the sides being 14 inches, the area of the sides is 84 square inches (6 x 14), and the area of the ends is 24 square inches (2 x 3 x 4), for a total surface area of 108 square inches.
The edge length is 7.35 inches.
54
214 square in.
54 square inches.
216 square inches
294 square inches
Area = L*W = 15 * 2 = 30 square inches.