the length and breadth of a rectangular field is in the ratio 3:4.its area is 6812sq.cm.find its dimensions?
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Step-by-step explanation: let the sides be 3x and 4x
length = 3x
breadth = 4x
area of rectangle = length × breadth
= (3x) × (4x)
= 12x^2
but the area is given 6812 sq cm
12x^2 = 6812
x^2= 6812/12
x = 23.82 approx
length = 3x = 3 × 23.82. = 71.477
breadth = 4x = 4×23.82. = 95.303
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