litwork2231 litwork2231

23-04-2022
Mathematics

contestada

The length of a rectangle is three times it’s width if the perimeter of the rectangle is 80m find it’s area

Respuesta :

anyakashif97 anyakashif97

24-04-2022

Answer:

=3y^2

Step-by-step explanation:

let,

length: x

width: y

According to condition,

x = 3y -----------(1)

Second condition

Perimeter = 2 (l + b)

80 = 2 (x + y)

x + y = 40 -------------(2)

To find area,

Area = L x B

=3y x y

= 3y^2

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