# A rectangle has dimensions of 3a by 5b. How do you write simplified expressions for the area and perimeter of this rectangle?

##### 1 Answer

Jul 1, 2016

#### Explanation:

Write expressions for the area and perimeter using the variables, in exactly the same way as with numbers. However, it is not possible to get a final numerical answer.

Perimeter is the sum of all the sides of a shape.