Obtuse Angle
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An obtuse angle is an angle that measures greater than 90 degrees and less than 180 degrees.
Obtuse angle is an elementary-school-level concept. It is listed in the California State Standards for Grade 4.
Prerequisites
| Angle: | An angle is a measure of the amount of rotation about the point of intersection of two lines or line segments that is required to bring one into correspondence with the other. |