Obtuse- contains one angle greater than 90 degree and two angles less than 90 but equal to 90 degree
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A right triangle has one angle that is a right angle (90 degrees).
An obtuse triangle has one angle that is obtuse (between 90 and 180 degrees).
An acute triangle is a triangle in which all three angles are acute (less than 90 degrees).
A right triangle has one angle a right angle (90o) An obtuse triangle has one angle an obtuse angle (> 90o) An acute triangle has all angles acute (< 90o)
In an acute triangle, all angles are smaller then 90%, In a obtuse triangle, there is normally one angle greater then 90%. A easy way to remember acute triangle, is it has the word "cute" in it.
Right = 90 degrees, acute = less than 90 degrees, obtuse = over 90, but less than 180 degrees. (between 180 and 360 is called "reflex".) A right triangle contains one right angle; an obtuse triangle contains one obtuse angle; and an acute triangle contains only acute angles.
No, because if there is on obtuse angle the triangle will always be obtuse.
An obtuse triangle has 1 obtuse angle and 2 acute angles