What is Obtuse angle?
[[Image:Angle obtuse.svg|200px|thumb|right|An obtuse angle]] An '''obtuse angle''' is an [[angle]] of greater than 90° (π/2 radians) and less than 180° (π radians). It is bigger than an [[acute angle]]. It is smaller than a [[straight angle]], which measures 180°. It falls in Quadrant II on a graph. ==Related pages== * [[Acute angle]] * [[Right angle]] * [[Reflex angle]] {{-}} {{math-stub}} [[Category:Angles]]