A straight angle
straight angle.
A bigger than 180 degrees angle
It is a reflex angle that is between 180 and 360 degrees.
It is an obtuse angle.
reflex
Reflex angle
An angle greater than 90 but less than 180 degrees is an obtuse angle.
A straight line
obtuse
An obtuse angle
an obtuse angle is more than 90degrees and less than 180 degrees. this is call a reflex angle...