Right Angle?
It's a STRAIGHT angle
An inscribed angle.
A rectangle is not an angle (of any kind). It is a kind of quadrilateral.A rectangle is not an angle (of any kind). It is a kind of quadrilateral.A rectangle is not an angle (of any kind). It is a kind of quadrilateral.A rectangle is not an angle (of any kind). It is a kind of quadrilateral.
It is convex if you look at it from the inside but it is not any kind of polygon.
inscribed polygon
a acute angle
It is a right angle.
Obtuse Angle
an acute angle
An invisible angle!
It is a reflex angle because it is greater than 180 degrees