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Acute and obtuse triangles - Wikipedia


An acute triangle is a triangle with all three angles acute (less than 90°). An obtuse triangle is one with one obtuse angle (greater than 90°) and two acute angles ...

Definition of Acute Triangle - Math is Fun


Definition of. Acute Triangle. more ... Acute Triangle. A triangle that has all angles less than 90° (90° is a Right Angle). See: Obtuse Triangle. Any Scalene

What are Acute, Obtuse, and Right Triangles? | Virtual Nerd


Knowing how to identify these triangles is an important part of solving many ... definition; triangle; triangles; acute; acute triangle; acute triangles; obtuse; obtuse  ...

Definition and examples Acute Triangle | define Acute Triangle ...


Acute Triangle is a triangle with its angles less than 90 degrees...complete information about the Acute Triangle, definition of an Acute Triangle, examples of an ...

Cool math .com - Types of Triangles


Obtuse triangles aren't very smart. (Look up "obtuse" in the dictionary!) Obtuse triangles have one angle that is greater than 90 ...

Acute angle | Define Acute angle at Dictionary.com


Acute angle definition at Dictionary.com, a free online dictionary with pronunciation, ... As in the triangle aei, let the angle at i, be taken for an acute angle.

Acute Triangle | Acute Triangle Properties | Math@TutorVista.com


Triangles play a very important role in almost all the branches of mathematics. Just to recall that a triangle is defined as a plane figure bounded by three line ...

Triangle Classification


Triangle Classification: as regard the sides and the angles. ... Acute (all angles are acute); Right (one angle is right); Obtuse (one angle is obtuse) ... of ground is stirred up, the surface becomes "uneven," which was a later meaning of skalenos .

Types of triangle - based on angles, right angle, obtuse, acute


a) Right Angled Triangle : - Right angle triangle is a triangle with one of its angle exactly equal to 90°. - As shown in the picture.

Orthocenter of A Triangle. Defined with examples for acute, obtuse ...


Orthocenter of a triangle. Explained with examples , illustrations and a cool HTML5 Applet --for acutes, obtuse and right triangles.

acute triangle | Define acute triangle at Dictionary.com
dictionary.reference.com/browse/acute triangle
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Acute triangle definition - Math Open Reference


Definition and properties of acute triangles. ... A triangle where all three internal angles are acute (less than 90 degrees). Try this Drag the orange dots on each ...

What is an Acute Triangle? - Definition, Facts & Example - Video ...


In this lesson, you'll find out what makes a triangle an acute triangle. You'll also find some examples of what keeps a triangle from being acute....

Acute Triangle -- from Wolfram MathWorld


A triangle which is neither acute nor a right triangle (i.e., it has an obtuse angle) is ... Wells, D. The Penguin Dictionary of Curious and Interesting Geometry.