It is: "angle a is not a right angle" or "angle a is greater than or less than a right angle".
Yes because an obtuse angle is greater than a right angle
an obtuse angle :)
Is an obtuse angle
and obtuse angle.
One pair of opposite angle is greater than a right angle.
An obtuse angle or a reflex angle.
When the angle = 90 degrees, it is a Right Angle. When the angle is greater than 90 degrees, it is an obtuse angle.
an obtuse angle
Any angle greater than 90 degrees is an obtuse angle, and any angle greater than 180o is more specifically called a reflex angle.
It obtuse as it greater than a right angle.
An obtuse triangle.