Question

Choose the group of one-inch cubes that forms a rectangular prism that has the given dimensions. Then find the surface area of the prism.
2×3×2

Answer 1

Answer:

Correct group: fourth image

Surface area = 32 in2

Step-by-step explanation:

The dimensions required is 2 x 3 x 2, so in one dimension we need 2 cubes, in a second dimension we need 3 cubes, and in the third dimension we need 3 cubes.

In the first image, we have a 2 x 3 x 3 prism.

In the second image (to the right of the first one), we have a 2 x 4 x 1 prism.

In the third image (below the first one), we have a 3 x 4 x 1 prism.

In the fourth image, we have a 2 x 3 x 2 prism, so this is the correct option.

The surface area os this prism is 2*(2*2) + 2*(2*3) + 2*(2*3) = 8 + 12 + 12 = 32 in2