### Home > AC > Chapter 1 > Lesson 1.1.3 > Problem 1-23

1-23.

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

Left edge, blank

interior

bottom edge

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

.Solve for the unknown variable.

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

interior

right edge

bottom edge, blank

See the example below.

interior | right edge |

bottom edge, blank |