Question

The length and breadth of a rectangular plot, are in ratio 4:3 . If the perimeter is 140 cm . Find it's area​

Answer 1

Step-by-step explanation:

Let the length be 4x and breadth be 3x

Perimeter = 140 cm

For finding values of length and breadth we will make a equation.

Perimeter = 2 (l+b)

140 = 2 (4x+3x)

140/2 = 4x + 3x

70 = 7x

70/7 = x

10 = x

Length = 4x = 40 cm

Breath = 3x = 30 cm

Area = l × b

        = 40 × 30

        = 1200 cm sq

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Answer 2

Answer:

length is40cm and breadth is 30 cm

Step-by-step explanation:

2(4x+3x)=140

2(7x)=140

7x=140/2

x=10

length=4x10=40

breadth =3x10 30