# Acute-Angled Triangle

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## Definition of the noun acute-angled triangle

What does acute-angled triangle mean as a name of something?

**noun**

- a triangle whose interior angles are all acute
- lexical domain: Shapes - nouns denoting two and three dimensional shapes
- synonym of acute-angled triangle: acute triangle
- more generic words: triangle / trigon / trilateral = a three-sided polygon

### Alternative definition of the noun acute-angled triangle

**noun**

- An acute triangle.

## Printed dictionaries and other books with definitions for Acute-Angled Triangle

Click on a title to look inside that book (if available):

### Intermediate Geometry (1908)

Experimental, Theoretical, Practical by Alexandre Leighton

* An Acute-angled Triangle is a triangle which has three acute
angles*, ...

### Modern School Mathematics Book - 7

by Banerjee, Reina

* An acute-angled triangle is a triangle in which each angle is less than 90*
°.

### The popular encyclopedia; or, 'Conversations Lexicon': [ed. by A. Whitelaw from the Encyclopedia Americana]. (1846)

by Alexander Whitelaw

**An acute-angled triangle**, fig. 13, has all its three angles acute.

### A New Mathematical Dictionary Wherein is Contain'd, Not Only the Explanation of the Bare Terms, But Likewise an History of the Rise, Progress, State, Properties, & C. of Things, Both in Pure Mathematics, and Natural Philosophy ... By E. Stone, F.R.S. .. (1743)

by Edmund Stone

**An Acute-angled Triangle**, is that which hath all its Angles acute. 4.

### A Treatise on Practical Mensuration, ... containing the most approved Methods of drawing Geometrical Figures; Mensuration; ... Land-Surveying; ... and a Dictionary of the Terms used in Architecture (1816)

by Anthony NESBIT

**An acute-angled triangle** has all its angles acute. ' 24
. An \ 24. An obtuse-angled triangle has one of its angles obtuse, 4, eroms'rmcu.

### Rudimentary Dictionary of Terms Used in Architecture Civil, Architecture Naval ... (1860)

**An acute-angled triangle** has all its angles acute. An obtuse-angled triangle has
one obtuse angle. A figure of four sides, or angles, is called a quadrilateral, or
quadrangle. A parallelogram is a quadrilateral, which has both pairs of its
opposite ...

### Rudimentary Dictionary of Terms Used in Architecture, Civil, Architecture, Naval, Building and Construction, Early and Ecclesiastical Art, Engineering, Civil, Engineering, Mechanical, Fine Art, Mining, Surveying, Etc (1850)

To which are Added Explanatory Observations on Numerous Subjects Connected with Practical Art and Science by John Weale

**An acute-angled triangle** has all its angles acute. An obtuse-angled triangle has
one obtuse angle. A figure of four sides, or angles, is called a quadrilateral, or
quadrangle. A parallelogram is a quadrilate ral, which has both pairs of its
opposite ...

### Rudimentary Dictionary of Terms Used in Architecture Civil, Architecture Naval, Building and Construction (etc.) (1849)

by John Weale

**An acute-angled triangle** has all its angles acute. An obtuse-angled triangle has
one obtuse angle. A figure of four sides, or angles, is called a quadrilateral, or
quadrangle. A parallelogram is a quadrilate ral, which has both pairs of its
opposite ...

### Rudimentary Dictionary of terms used in architecture, building and construction, early and ecclesiastical art, etc (1850)

by John WEALE (Bookseller.)

**An acute-angled triangle** has all its angles acute. An obtuse-angled triangle has
one obtuse angle. A figure of four sides, or angles, is called a quadrilateral, or
quadtangle. A parallelogram is a quadrilate ral, which has both pairs of its
opposite ...

### The Portable Encyclopaedia: Or, A Dictionary of the Arts and Sciences (1831)

On the Basis of Dr. Gregory's Comprehending the Latest Improvements in Every Branch of Useful Knowledge by James Mitchell

**An acute-angled triangle** has all its angles acute, as fig. 4. 25. An isosceles, or a
scalene triangle, may be either right angled, obtuse, or acute. Any side of a
triangle is said to subtend the angle opposite to it: thus AB (fig. 7.) subtends angle
...

### A Dictionary of Terms Used in Architecture, Building, Engineering, Mining, Metallurgy, Archaeology, the Fine Arts, Etc (1868)

With Explanatory Observations on Various Subjects Connected with Applied Science and Art by John Weale

**An acute-angled triangle** has all its angles acute. An obtuse-angled triangle has
one obtuse angle. A figure of four sides, or angles, is called a quadrilateral, or
quadrangle. A parallelogram is a quadrilateral, which has both pairs of it!
opposite ...

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## Video about Acute-Angled Triangle

**Acute-angled triangle Meaning**

Video shows what acute-angled triangle means. A triangle that has all of its angles less than ninety degrees (acute).. acute-angled triangle synonyms: acute ...

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