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## Acute and obtuse triangles - Wikipedia

en.wikipedia.org/wiki/Acute_and_obtuse_triangles

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

www.mathsisfun.com/definitions/acute-triangle.html

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 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 definition - Math Open Reference

www.mathopenref.com/acutetriangle.html

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

www.virtualnerd.com/pre-algebra/geometry/triangles/define-triangles/triangle-acute-obtuse-right-definition

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

## Acute Triangle -- from Wolfram MathWorld

mathworld.wolfram.com/AcuteTriangle.html

A triangle in which all three angles are acute angles. A triangle which is ... Wells, D. The Penguin Dictionary of Curious and Interesting Geometry. London: ...

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

math.tutorvista.com/geometry/acute-triangle.html

Triangles can be classified by their sides and angles. An acute triangle as a triangle that has three acute angles.

## Acute triangle - definition of acute triangle by The Free Dictionary

www.thefreedictionary.com/acute triangle

Define acute triangle. acute triangle synonyms, acute triangle pronunciation, acute triangle translation, English dictionary definition of acute triangle. Noun 1.

## Acute, Obtuse, and Right Triangles - Homeschool Math

www.homeschoolmath.net/teaching/g/triangles.php

Acute triangles have ___ ______ angles. 5. Label the triangles in the pictures as right, acute, or obtuse. ... What is the angle sum? 8. a. Draw a triangle with