Question

A play Ground is in the shape of rectangle. The length of rectangle is three times its breath and its area is 1728 m² find the Perimeter of the rectangle .

Answer 1

let breadth be x
then by problem length is 3x

so area =1728
length×breath=1728
X(3x)=1728
3x.x =1728
x.x=1728/3
x.x=576
x=√576
x=24

so breadth is x=24
length is 3x=3(24)
=72

Answer 2

Haiiiii dear friend!!!!

So according to Question
Let the breadth be 'x'
then length is 3x

Are of rectangle = x * 3x
1728m^2 = 3x^2
1728/3 = x^2
576. = x^2
(24)^2 = x^2
24 = x

So the breadth is 24m and the length is 72m
Now,
perimeter = 2 {l + b}
=> 2 { 24 + 72}
=> 192m

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