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
obtuse
An obtuse angle
Any obtuse angle.
acute
An obtuse angle
A right angle (90 degrees)
That is an obtuse angle.