# A rectangular box has two sides whose lengths are 3 centimeters and 9 centimeters and a volume of 135 #cm^3#. What is the area of its largest side?

##### 1 Answer

Nov 14, 2015

#### Answer:

#### Explanation:

Use the formula

Let's define our variables:

We want to know how long

Let's fill in the formula:

To now find the biggest side, we have to multiply