It is a right angle triangle because it has a 90 degree angle and the 3 angles add up to 180 degrees.
an angle greater than 90 degrease
obtuse
obtuse
An obtuse angle
It is a right angle triangle because it has a 90 degree angle and the 3 angles add up to 180 degrees.
An angle that measures between 0 and 90 degrees is an acute angle.
an angle greater than 90 degrease
obtuse
An obtuse angle
Any obtuse angle.
An obtuse angle
obtuse
acute
An obtuse angle
That is an obtuse angle.
A right angle (90 degrees)