the length and breadth of a rectangular field is in the ratio 3 ratio 4 its area is 6912 square centimetre find its dimensions
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2
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
let the length be 3x
breadth be 4x
area = 4x x 3x
6912 = 12x^2
x^2 = 576
x=24
length= 72
breadth =96
Answered by
1
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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