Acute angle

From Wiki 5A

C and B are not acute but A is. An acute angle is smaller than both an obtuse angle and a right angle
Enlarge
C and B are not acute but A is. An acute angle is smaller than both an obtuse angle and a right angle

An acute angle measurements are more than 0° and less than 90°.

Retrieved from "http://www.5aonline.com/wiki/index.php/Acute_angle"