### Home > CC1 > Chapter 5 > Lesson 5.2.2 > Problem 5-65

5-65.

Find the missing side lengths of each rectangle, (a) and (c) or square (b) and (d). Homework Help ✎

To find the area of a rectangle, multiply the length

by the width.(100 cm)(

*x*cm) = 500 cm^{2}Solve for

*x*.

Recall the properties of a square. All the side lengths must be equal.

Since one side is already given, you can conclude that the other side is also 8 cm.

See the help for part (a).

16.4 cm

See the help for part (b).