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Triangle - Wikipedia, the free encyclopedia
A triangle is one of the basic shapes of geometry: a polygon with three corners or vertices and three sides or edges which are line segments. A triangle with vertices ...

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.)

Obtuse triangle definition - Math Open Reference
Try this Drag the orange dots on any vertex to reshape the triangle. While any angle exceeds 90 degrees, it is an obtuse triangle.

Definition of Obtuse Triangle - Math is Fun - Maths Resources
Illustrated Math Dictionary - Definition of Obtuse Triangle ... A triangle that has an angle greater than 90° See: Acute Triangle

obtuse triangle - definition of obtuse triangle by the Free Online ...
Noun 1. obtuse triangle - a triangle that contains an obtuse interior angle obtuse-angled triangle triangle , trigon , trilateral - a three-sided polygon

Types of Triangles (with examples and videos)
An obtuse triangle has one obtuse angle (i.e. greater than 90º). The longest side is always opposite the obtuse angle. In the obtuse triangle shown ...

obtuse triangle - Wiktionary
A triangle one of the angles of which is obtuse ... Definition from Wiktionary, the free dictionary

Math Expression: Obtuse Triangle
Learn how to identify an obtuse triangle. This lesson includes math videos, study tips and practice questions with step-by-step solutions.

obtuse triangle: Definition from Answers.com
obtuse triangle ( äb′tüs ′trī′aŋgəl ) ( mathematics ) A triangle having one obtuse angle.

How to Find Sides of an Obtuse Triangle | eHow.com
In geometry, obtuse triangles are angles, other than right triangles, in which one of the three internal angles is strictly greater than 90 degrees. This is the ...