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1.
- A.
- B.
- C.
- D.
Answer: Option C
Explanation:
ধরি, ∠A এবং ∠B এর অনুপাত 3x : 2x
ATQ, 3x + 2x = 90
বা, 5x = 90
∴ x = 18
∴∠A = 3×18° = 54°
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1.
Answer: Option C
Explanation:
ধরি, ∠A এবং ∠B এর অনুপাত 3x : 2x
ATQ, 3x + 2x = 90
বা, 5x = 90
∴ x = 18
∴∠A = 3×18° = 54°
Post your comments here: