Definition of Obtuse Triangle  Maths Resources
Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. For K12 kids, teachers and parents.
Obtuse triangle definition  Math Open Reference
In any triangle, two of the interior angles are always acute (less than 90 degrees) *, so there are three possibilities for the third angle: . Less than 90°  all three angles are acute and so the triangle is acute. Exactly 90°  it is a right triangle Greater than 90° (obtuse): the triangle is an obtuse triangle In the figure above, drag the vertices around and try to create all 3 ...
Acute and obtuse triangles  Wikipedia
An obtuse triangle is one with one obtuse angle (greater than 90°) and two acute angles. Since a triangle's angles must sum to 180°, no triangle can have more than one obtuse angle. Acute and obtuse triangles are the two different types of oblique triangles—triangles that are not right triangles because they have no 90° angle.
What Is an Obtuse Triangle?  Definition & Area Formula ...
An obtuse triangle is any triangle that contains an obtuse angle. Here are some examples: Here are some examples: Both triangles are obtuse because they contain an angle greater than 90 degrees.
Obtuse Triangle  from Wolfram MathWorld
An obtuse triangle is a triangle in which one of the angles is an obtuse angle. (Obviously, only a single angle in a triangle can be obtuse or it wouldn't be a triangle.) A triangle must be either obtuse, acute, or right.
Types of Triangles: Acute and Obtuse  ThoughtCo
An obtuse triangle is one that has an angle greater than 90°. Because all the angles in a triangle add up to 180°, the other two angles have to be acute (less than 90°). It's impossible for a triangle to have more than one obtuse angle.
Obtuse triangle  Define Obtuse triangle at Dictionary.com
Obtuse triangle definition, a triangle with one obtuse angle. See more.
Ah, The Obtuse Triangle
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Obtuse  Definition of Obtuse by MerriamWebster
(2): having an obtuse angle an obtuse triangle — see triangle illustration c of a leaf : rounded at the free end 2 a : lacking sharpness or quickness of sensibility or intellect : insensitive , stupid He is too obtuse to take a hint.
Triangles  Equilateral, Isosceles and Scalene
Obtuse Triangle . Has an angle more than 90° Combining the Names Sometimes a triangle will have two names, for example: Right Isosceles Triangle . Has a right angle (90°), and also two equal angles ... THEN the whole area is bh, which is for both triangles, so just one is ½ × bh.
