Question

The perimeter of a rectangle is $130cm$. If the breadth of the rectangle is $30cm$, find its length. Also find the area if the rectangle.

Answer 1

Let length $=L$

Perimeter $\Rightarrow 2(L+30)=130$

$\Rightarrow L=35cm$

area of rectangle $=l\times b=30\times 35=1050c{m}^2$