An obtuse triangle is what has the measurement given as 20°, 60°, 100°
What is the obtuse triangle
An obtuse triangle is a type of triangle characterized by having one of its angles measuring more than 90 degrees. In other words, an obtuse triangle contains one obtuse angle, which is an angle greater than a right angle (90 degrees) but less than 180 degrees.
In the obtuse triangle 100 degrees is greater than 90 degrees but it is less than 180 degrees.
One angle is greater than 90 degrees (obtuse angle).
The other two angles are acute angles, measuring less than 90 degrees each.
The sum of the angles in any triangle always equals 180 degrees.