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प्रश्न
The side of the square of area 9y2 is ______.
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उत्तर
The side of the square of area 9y2 is 3y.
Explanation:
Given, area of a square = 9y2
We know that, the area of a square with side a = a2
∴ a2 = 9y2
⇒ a2 = (3y)2
⇒ a = 3y ...[Taking square root both sides]
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