Correct Answer: Option A
ত্রিভুজের তিনটি কোণের যোগফল = 180°
=> x + x/2 + 3x/2 = 180°
=> x + (x/2) + (3x/2) = x + 2x = 3x = 180°
=> x = 60°
কোণগুলো হল:
x = 60°, x/2 = 30°, 3x/2 = 90°
বৃহত্তম কোণ = 3x/2 = 90°
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