Question

The area of rectangle is trice that of a square .Length of rectangle is 40cm and breathe of rectangle is 3/2 times that of the side of the square .The side of square in cm is ?

Answer 1

Answer:

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Step-by-step explanation:

Let the side of the square be x cm

Then, its area = x2 cm2

Area of the rectangle = 3x2 cm2

∴ 40 × 32

× x = 3x2

⇔ x = 20 cm