Q9. - Geometry

Question

The base of a rectangle is9cm  and height 4cm. What is the area?

Step-by-Step Solution

Answer

The area of the rectangle is$36c{m}^2$ and perimeter is26cm .

Step 1. Given information.

Base of the rectangle$b=9cm$

Height of the rectangle$h=4cm$ .

Step 2. Concept Used.

If b is the base of the reactangle and h is the height of the rectangle.

Then, the   area of the rectangle is $A=b\times h$

Perimeter of the rectangle is

$P=2(b+h)$

Step 3. Let’s calculate the area & perimeter of the rectangle.

Put the value of base and height  into the formula and find the area.

Area of the rectangle :

$\begin{array}{c}A=9\times 4\\ =36c{m}^2\end{array}$

Perimeter of the rectangle:$\begin{array}{c}P=2(9+4)\\ =2\left(13\right)\\ =26cm\end{array}$

Therefore, the area of the rectangle is$36c{m}^2$ and perimeter is 26cm