Question

If length of a rectangle is thrice it's width if the area of the rectangle is 48 sq. cm. then it's length is​

Answer 1

Step-by-step explanation:

let the width of rectangle be x then it's length =3x

area = l*b

3x * x= 48

$3x {}^{2} = 48 \\ x {}^{2} = 16 \\ x = 4$

length = 12cm

breadth = 4cm

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