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visheshan per gola lagao (1) prithvi gol hai​

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If the length of a square is increased by 3 cm, its area increases by 99 sq. cm. What was the length of the square before being increased? If the length of a square is increased by 3 cm, its area increases by 99 sq. cm. What was the length of the square before being increased? If the length of a square is increased by 3 cm, its area increases by 99 sq. cm. What was the length of the square before being increased?

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