Acute angle
DEFINITION
An angle less than 90?. The first two of the angles below are obtuse. The third one is 90?, also called a right angle. Only the last of the four is an acute angle.Also see cute.
An angle less than 90?. The first two of the angles below are obtuse. The third one is 90?, also called a right angle. Only the last of the four is an acute angle.Also see cute.