Home > GC > Chapter 2 > Lesson 2.3.1 > Problem 2102
2102.
Examine the rectangle below.
 

What is the perimeter in terms of
? In other words, find the perimeter. The perimeter is all of the sides added together, or
. If the perimeter is
cm, find the dimensions of the rectangle. Show all your work.
Solve forand then substitute for the in the expressions for the length and the width. Verify that the area of this rectangle is
sq. cm. Explain how you know this.