![](http://sl.glitter-graphics.net/pub/467/467976cko9hdq4re.gif)
Examples of angles
1. acute anglesAn acute angle is an angle measuring between 0 and 90 degrees.
| 4. straight angleA straight angle measuring 180 degrees.
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2. right anglesA right angle measuring 90 degrees.
| 5. reflex angleA reflex angle measuring more than 180 degrees.
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3. obtuse angleAn obtuse angle is an angle measuring between 90 and 180 degrees.
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![](http://sl.glitter-graphics.net/pub/467/467976cko9hdq4re.gif)