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# Acute-Angled Triangle

## Definition of the noun acute-angled triangle

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

noun

1. a triangle whose interior angles are all acute

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

noun

1. An acute triangle.

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

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### 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 °.

### 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.

### 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 the angle ...

### 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.

### 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 ... (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 ...

### Dictionary of the Mathematical and Physical Sciences, According to the Latest Improvements and Discoveries (1823)

by James Mitchell

An Acute-angled TRIANGLE, is that which has three acute angles. 7. An Obtuse-angled TRIANGLE, ; that which has ...

### 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 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.

### 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 ...

### A New Mathematical and Philosophical Dictionary (1814)

Comprising an Explanation of Terms and Principles of Pure and Mixed Mathematics, and Such Branches of Natural Philosophy as are Susceptible of Mathematical Investigation. With Historical Sketches of the Rise, Progress and Present State of the Several Departments of These Sciences, and an Account of the Discoveries and Writings of the Most Celebrated Authors, Both Ancient and Modern by Peter Barlow

An Acute-angled TRIANGLE, is that which has three acute angles.

## Online dictionaries and encyclopedias with entries for Acute-Angled Triangle

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