How many triangles can be drawn


How many triangles can be drawn having its angles as 45°, 64° and 72°? Give reason for your answer.


None, the sum of given angles = 45° + 64° + 72° = 181° ≠ 180°.

Hence, we see that sum of all three angles is not equal to 180°. So, no triangle can be drawn with the given angles.

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