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How to Calculate Acute Angles
A right triangle is any triangle with a right, or 90-degree, angle. Because the angles in a triangle must total 180 degrees, the remaining two angles are acute, which means they are less than 90 degrees. Trigonometry primarily concerns itself with... More »
Difficulty: Moderately Easy
Source: www.ehow.com

## Acute angle - Simple English Wikipedia, the free encyclopedia

simple.wikipedia.org/wiki/Acute_angle

Jump to: navigation, search. Acute Angle (PSF). An acute angle ("acute" meaning "sharp") is an angle smaller than a right angle (it is less than 90 degrees).

## Acute Angles - Math is Fun

www.mathsisfun.com/acute.html

Acute Angles. Different Angles have different names: types of angle. An Acute Angle is less than 90° angle 54 degrees. This is an acute angle. All the angles ...

## Angles - Acute, Obtuse, Straight and Right - Math is Fun

www.mathsisfun.com/angles.html

In One Diagram. This diagram might make it easier to remember: Also: Acute, Obtuse and Reflex are in alphabetical order. angle types together ...

## Definition of Acute Angle - Math is Fun

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

Angles - Acute, Obtuse, Straight and Right · Twitter StumbleUpon ... Acute Angle. more ... Acute Angle. An angle less than 90° (90° is called a Right Angle).

## Acute, right, & obtuse angles | Angle types | Angles | Basic geometry ...

In this video, I really just want to introduce you to some terminology for some basic angle types. And the terminology I want to introduce you to are acute angles, ...

## What is an Acute Angle? - Definition, Description & Examples ...

In this lesson, you'll learn what makes an angle acute, and see a few different examples of them. After the lesson, you can test your new knowledge...

## What are Acute, Obtuse, Right, and Straight Angles? | Virtual Nerd

www.virtualnerd.com/pre-algebra/geometry/points-lines-planes-angles/planes-angles/acute-obtuse-right-straight-angle-definition

Note: Did you know that there are different kinds of angles? Knowing how to identify these angles is an important part of solving many problems involving angles ...

## Acute angle | Define Acute angle at Dictionary.com

www.dictionary.com/browse/acute-angle

Acute angle definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now!

## Acute Angle definition - Math Open Reference

www.mathopenref.com/angleacute.html

Try this Adjust the angle below by dragging an orange dot and see how the angle ∠ABC behaves. Note that it is acute for all angles from zero to (but not ...