There are many types of angles such as obtuse, right, acute, complementary, supplementary, adjacent, alternate, corresponding, and opposite angles, just to name a few.
An obtuse angle.
What kind of angel is 180°
it is an acute angle.
A reflex angle
a right angle
An angle of 98 degrees is an obtuse angle
It is a reflex angle
An obtuse angle
A rectangle is not an angle.
right angle
It is an obtuse angle.
an obtuse angle