Obtuse Triangle

An obtuse triangle is a three-sided polygon where one of the angles is greater than 90 degrees but less than 180 degrees. This makes that angle an obtuse angle. The other two angles in the triangle are always less than 90 degrees. Because one angle is so wide, it influences the shape, making the triangle appear more stretched out on one side. In summary, an obtuse triangle has exactly one angle that is "wide" or "obtuse," while the other two angles are "sharp" or "acute."