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Home > CCG > Chapter 1 > Lesson 1.1.4 > Problem 1-35


Examine the rectangle below.  

top edge 

interior rectangle

right edge 

  1. What is the perimeter in terms of ? In other words, find the perimeter.

    The perimeter is all of the sides added together, or .

  2. If the perimeter is cm, find the dimensions of the rectangle. Show all your work.

    Solve for  and then substitute for the  in the expressions for the length and the width.

  3. Verify that the area of this rectangle is sq. cm. Explain how you know this.

    In part (b), You found . Now find the length and width. The area is equal to the length times the width.