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1. ABCD রম্বস এর ∠A = 60° হলে ∠D = কত?

  • A. 60°
  • B. 60°
  • C. 60°
  • D. 60°

Answer: Option C

Explanation:

ABCD রম্বসের∠A+∠D=180°
∠D=180°−∠A
=(180−60)°
=120°

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