In order for one of the angles to have a degree greater than 90, the other two angles must decrease... If the sum of all the angles of a triangle is 180 degrees (which it is), then you have to subtract the obtuse angle from the total 180 degrees and split the remainder between the two remaining angles.
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If one angle is a right angle, it is a right triangle. If one angle is an obtuse angle, it is an obtuse triangle. If there are no right nor obtuse angle then it is an acute triangle.
No an obtuse triangle cant be a right angle because,a right angle is 90 degrees. a obtuse triangle is over 90 degrees
If all of the angles in a triangle are acute then it is an acute triangle. If one angle is right (or 90 degrees) then it is a right triangle. If one angle is obtuse then it is an obtuse triangle.
A right triangle has a 90 degree angle, and an obtuse triangle has an angle greater than 90 degrees
There are five different types of triangles named after their angles. Right triangle, Acute triangle, Isosceles Triangle ,equilateral triangle, and obtuse triangle. The Obtuse Triangle is the triangle with an obtuse angle.