Which of the following describes the dimensions of a backyard?

The perimeter of the yard.

The area of the yard.

The lengths of the sides of the yard.

The volume of the yard.

Dimensions is a measurable extent of some kind, such as length, breadth, depth, or height. The best answer I can come up with is,

C). t he lengths of the sides of the yard.

The word dimensions are referring to how long the side lengths of any sided figure, object, or space is, so in this case, the correct answer is the lengths of the sides of the yard.