The area of a rectangle is 4 times of the area of a square. The length of the rectangle is 90 cm and the breadth of the rectangle is 2/3 rd of the side of the square. What is the side of the square?
Correct Answer: Description for Correct answer:
Let the side of the square be x cm.
Breadth of rectangle =\( \Large \frac{2}{3}x \) cm
According to the question.
\( \Large 4x^{2}=90\times 2/3 x \)
=> 4x = 60 => x = \( \Large \frac{60}{4} \)=15 cm
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