Question

The length of a rectangle is three times its width

Answer 1

Hey mate!

Here's your answer!

Let, the length be l and width be w. Then,

l = 3w

Therefore,

Area = l×w

$= > 3w {}^{2} sq.units$

Perimeter = 2(l+w)

=> 2(4w)

=> 8w units

Hope it helps :)