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Q: यदि ABCD एक समचतुर्भुज है, तब–
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  • A. AC² + BD² = AB²
  • B. AC² + BD² = 2AB²
  • C. AC² + BD² = 4AB²
  • D. AC² + BD² = 3AB²
Correct Answer: Option C -
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Explanations:

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