A triangle with an angle greater than 90° (obtuse angle).
A triangle can have only one obtuse angle, as the three angles in any triangle must add up to 180°
Try the app below:
../geometry/images/triangle.js?mode=obtuse
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A triangle with an angle greater than 90° (obtuse angle).
A triangle can have only one obtuse angle, as the three angles in any triangle must add up to 180°
Try the app below: