each face of the cube as a area of length2 and there are 6 faces
therefore
6(5)2 = 150 inches2
Surface area = 6s2, volume = s3
Surface area of rectangular prism: 2(25)+4(30) = 170 square inches
The volume of a cube whose sides measure four inches is: 64 cubic inches.
36 inches
24.8 in
16 inches
The surface area is 747.7 square inches.
21
It is a regular quadrilateral, each of whose sides is 2 inches in length.
Its entire surface is 49*6 = 294 square inches
It is 486 square inches.
V = 64 cubic inches.