Acute angle:
An angle whose measure is less than 90 degrees. The
following is an acute angle.
Right angle:
An angle whose measure is 90 degrees. The following is a
right angle.Right angle
Obtuse angle:
An angle whose measure is bigger than 90 degrees but less
than 180 degrees. Thus, it is between 90 degrees and 180 degrees. The following
is an obtuse angle.
Straight angle
An angle whose measure is 180 degrees.Thus, a straight angle
look like a straight line. The following is a straight angle.
Reflex angle:
An angle whose measure is bigger than 180 degrees but less
than 360 degrees.The following is a reflex angle.
