Question

Find the area of a rectangular shape in $m^2$, if its breadth is 200 cm and length is twice its breadth.

• A. 8

Answer 1

The correct option is A 8
Given:

$\text{Breadth of the rectangle, b =}200cm$
Length of the rectangle is twice the breadth
$\Rightarrow l=2\times b$
$\Rightarrow l=2\times 200cm$
$\Rightarrow l=400cm$

Since, we need area in $m^2,$ let's convert the length and breadth into $m.$

We know that 1 m = 100 cm.
$\text{So, length}l=400cm=4\times 100=4m.$
$\text{Breadth b}=200cm=2\times 100=2m.$

Now area of the rectangle,
$A=l\times b$
Hence, $A=4m\times 2m$
$\Rightarrow A=8m^2$

Therefore, the area of the rectangle is $8m^2$.