1 . △ABC, AB =AC, ∠A=80° ∠B=?
- A. 60°
- B. 70°
- C. 50°
- D. 80°
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2 . △ABC
- A.
- B.
- C.
- D.
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3 . △ABC-∠A=40°, ∠B=70°
- A. সমকোণী
- B. স্থুলকোণী
- C. সমদ্বিবাহু
- D. সমবাহু
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4 . △ABC
- A.
- B.
- C.
- D.
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5 . △ABC
- A.
- B.
- C.
- D.
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6 . △ABC
- A.
- B.
- C.
- D.
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7 . △ABC
- A.
- B.
- C.
- D.
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8 . △ABC
- A.
- B.
- C.
- D.
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9 . △ABC
- A. AD>AC
- B. AB>AC
- C. AB
- D. BD
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10 . △ABC
- A.
- B.
- C.
- D.
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11 . △ABC
- A. 105°
- B. 110°
- C. 90°
- D. 10°
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12 . △ABC এ ∠A=70° , ∠B=20°
- A. সূক্ষকোণী
- B. সমকোণী
- C. সমবাহু
- D. সমদ্বিবাহু
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13 . △ABC
- A. সুক্ষ্মকোণী ত্রিভুজ
- B. স্থুলকোণী ত্রিভুজ
- C. সমকোণী ত্রিভুজ
- D. সমদ্বিবাহু ত্রিভুজ
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14 . △ABC is a right angle ∠ACB=90°, AC=16, BC=12, CD is perpendicular to AB and AD = 12.8. How long is CD?
- A. 9.5
- B. 9
- C. 6.5
- D. 9.6
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15 . In △ABC , AB=AC and ∠BAC = 50 ° . What is the value of ∠ABC ?
- A. 30 °
- B. 40 °
- C. 75 °
- D. 65 °
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