Question

Find the perimeter.

A rectangle with length 9 centimeters and width 3 centimeters.

Short answer

The perimeter of the rectangle is 24 centimeters.

Step-by-step solution

Step 1. Given information.

The rectangle whose length is 9 centimeters and width is 3 centimeters.

Step 2. Perimeter of rectangle.

The perimeter of a rectangle with length l and breadth b is denoted by $P=2\left(l+b\right)$.

Step 3. Calculations.

Consider rectangle whose length is 9 centimeters and width is 3 centimeters.

$$\begin{gathered} P=2\left(l+b\right) \\ =2\left(9+3\right) \\ =24 \end{gathered}$$

Thus, the perimeter of the rectangle is 24 centimeter.