Question:

Which one of the following cannot be the ratio of angles in a right-angled triangle?

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In any triangle, no angle can exceed 90° in a right triangle except the right angle itself.
Updated On: Aug 6, 2025
  • 1:2:3
  • 1:1:2
  • 1:3:6
  • None of these
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The Correct Option is C

Solution and Explanation

Sum of angles in triangle = 180°. For ratio 1:3:6, sum parts = 10, each part = 18°, so angles = 18°, 54°, 108° → not possible in right triangle (one angle>90°).
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