You will know that a triangle is obtuse if one of its angles is over 90°.
obtuse triangle
An obtuse triangle has an obtuse angle.
you know a triangle is obtuse when it is larger than a right angle which is 90 degrees. ex. a clock when it is 12:15 it makes a right angle or 90 degrees.
An oxymoron. An equilateral triangle cannot be obtuse; an obtuse triangle cannot be equilateral.
You know it's an obtuse triangle when one of the angles is greater than 90 degress, and both of the others are less than 90 degrees.
obtuse triangle
A triangle with 1 obtuse angle is called an obtuse triangle.
-- No right triangle, acute triangle, or equilateral triangle has an obtuse angle in it. -- If a triangle has an obtuse angle in it, then it's called an obtuse triangle. -- No triangle can have more than one obtuse angle in it .
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.
A triangle containing an obtuse angle is an obtuse triangle.
Sometimes, it can or can not be a obtuse triangle.