Question

Find the smallest rectangular area of wrapping paper that can be used to wrap a preant that is 22 inches by 20 inches by 10 inches. The paper cannot be cut

Answer 1

do it urself

Explanation:

The surface area of a box is the sum of the areas of all the rectangular faces of the box.

Let length = x

Let width = y

Let height = h

SA = 2xy + 2xh + 2yh

Plug in the given values into the formula to find the area.

SA = 2(32)(25) + 2(32)(20) + 2(25)(20)