Step 2: Multiply length and width to get the area of the rectangle. Step 3: Use square units to finish the answer. How to Find the Length of a Rectangle using Breadth?

For each rectangle, multiply the length and width to find its area. Subtract the cut-out rectangle area from the large rectangle area to find the area of the compound shape.

To calculate the area of a room (for the purposes of fitting a carpet, for example) you would need to multiply the length of the room by the width of a room. Let’s look a little more closely at ...

Imagine trying to calculate the area of a room where you've measured the length in feet but the width in inches, your final answer would be meaningless!