Obtuse angle
Measures more than 90 degrees and less than 180 degrees
An obtuse angle is an angle that measures between 90 and 180 degrees. In other words, an obtuse angle is any angle that is greater than a right angle (90 degrees) but less than a straight angle (180 degrees).
When we draw an obtuse angle, it looks like a fat angle because it opens wider than a right angle. We can also identify an obtuse angle when its arms pointing in opposite directions, as they form an angle that is wider than a straight line.
Examples of obtuse angles include 100 degrees, 135 degrees, and 170 degrees. It’s important to note that an obtuse angle can be measured in either degrees or radians.
Obtuse angles can be found in many real-world scenarios, such as when determining the angle of elevation of an object, describing the angle of a corner, or measuring the angle of a triangle whose largest angle is obtuse.
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