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  1. The area of each rectangle below is shown in the middle of the rectangle. For each figure, find the missing length or width. Homework Help ✎

    1. Rectangle, length = 8, A = 60 un squared

    2. Rectangle, length = 15, A = 180 un squared

    3. Square, one side = 14, A = 231 un squared

The area of a rectangle is the product of the length and width.

Substitute the area and the unknown length or the width into the equation A = l · w.

Solve for the unknown variable.

Try not to be confused by the orientation of the rectangle. Solve as in part (a).

See the example below.