Matematika Testy - Cvičení z matematiky

Definition of angle types

obtuse angle: 90° < α < 180°

Types of angles

Acute angle is less than 90° (green).
Right angle is exactly 90° (blue).
Obtuse angle is greater than 90° and less than 180° (brown).

162°90°45°



Straight angle is exactly 180° (green).
Reflex angle is greater than 180° and less than 360° (blue).
Full angle is exactly 360° (brown).
360°225°180°

And null angle is exactly 0°.


   
   

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