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1. অষ্টভুজের অন্তঃকোণ (interior angle) এর পরিমাণ-
- A. 1080°
- B. 1080°
- C. 1080°
- D. 1080°
Answer: Option A
Explanation:
(n-2)*180 = (8-2)*180°= 1080°
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