Different Angles have different names:
This is an acute angle
All the angles below are acute angles:
Also: the letter "A" has an acute angle.
Remember to look carefully at which angle you are being asked to name:
The acute angle is the small angle which is less than 90°.
|If you choose the larger angle you
will have a Reflex Angle instead:
|The smaller angle is an Acute Angle,
but the larger angle is a Reflex Angle