What are obtuse acute and right angles?

OBTUSE (Blunt) is any angle between 90 degrees and 180 degrees.

ACUTE (Sharp) 9s any angle between 9 degrees and 90 degrees.

RIGHT ANGLE is EXACTLY 90 degrees.

The n these is REFLEX angle , which is any angle between 180 degrees and 360 degrees. ( The 'outside' angle of an acute, right-angle, or obtuse angle).