Question

the length and breadth of a rectangular field is in the ratio 3 ratio 4 its area is 6912 square centimetre find its dimensions

Answer 1

The ratio of length to breadth is 3:4
let the length be 3x
breadth be 4x
area = 4x x 3x
6912 = 12x^2
x^2 = 576
x=24
length= 72
breadth =96

Answer 2

Ratio of length and breadth =3: 4

Let the length =3x & breadth =4x

Area of rectangle = length*breadth

3x*4x=6912

12x²=6912

x²=6912/12

x²=576

x=√576

x=24cm

. '. Length =3x=3*24=72cm

& breadth = 4x=4*24=96cm

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