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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.)
Definition of Obtuse Triangle  Maths Resources
Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K12 kids, teachers and parents.
Obtuse Triangle Formulas  Math@TutorVista.com
Obtuse triangle is a triangle with 1 obtuse angle and other 2 angles are acute. Area of Obtuse Triangle Area = Half the base by perpendicular height = $\frac{1}{2 ...
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 ...
Can a right triangle also be an obtuse triangle?  Socratic
We have to keep in mind that if a triangle is a right angled triangle, it is never a obtuse triangle. Because right angled triangle is 90^0 and sum of a triangle is ...
Triangle Types and Classifications: Isosceles, Equilateral ...
How Triangles are classifed as well as defining traits of each type of type.
Polygons  Triangles  In Depth  Math.com
Just as the rectangle and the circle are very popular in the real world, so is the triangle! You'll find triangles at work bracing a structure or bridge ...
Triangles  Equilateral, Isosceles and Scalene
Equilateral, Isosceles and Scalene. There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no equal ...
Hypotenuse  math word definition  Math Open Reference
Hypotenuse definition: The longest side of a right triangle.
Isosceles Triangle  from Wolfram MathWorld
An isosceles triangle is a triangle with (at least) two equal sides. In the figure above, the two equal sides have length b and the remaining side has length a. This ...
