Books Books A Right angle is that which is made by one line perpendicular to another. Or when the angles on each side are equal to one another, they are right angles. A Course of Mathematics ...: Composed for the Use of the Royal Military ... - Page 264
by Charles Hutton - 1811 ## A Treatise on Mensuration, Both in Theory and Practice

Charles Hutton - Measurement - 1788 - 703 pages
...different directions, and meeting in a point. 14. Angles are right or oblique, acute or obtufe. 15. A right angle, is that which is made by one line perpendicular to another. Or when, the angles on each fide are equal to one another, they are right .angles. 1 6 An oblique angle is that which is made by... ## Mathematics: Compiled from the Best Authors, and Intended to be ..., Volume 1

Mathematics - 1808 - 470 pages
...inclination, or opening, of two lines, having different directions, and meeting in a point. 341 15. A right angle is that, which is •made by one line...side are equal to one another, they are right angles. 1 6. An oblique angle is that, which is made by two oblique lines, ajid is either less or greater than... ## The carpenter's new guide

Peter Nicholson - 1808
...the fame plane, meeting in a point, as I. 14. Angles are either right, acute, or oblique, as K. 15. A right angle is that which is made by one line perpendicular to another, or when the angles on eachßde are equal, as G. 16. An acute angle is lefs than a right angle, as K. 17. An obiufe angle... ## The principles of architecture, Volume 1

Peter Nicholson - 1809
...towards one another, meeting in a point, as D. 15. Angles are either right, acute, or oblique, as E. 16. A right angle is that which is made by one line perpendicular...another, or when the angles on each side are equal, as F. 17- An acute angle is less than a right angle, as G. 18. An obtuse angle is greater than a right... ## A Course of Mathematics: In Two Volumes : for the Use of Academies, as Well ...

Charles Hutton - Mathematics - 1816
...having different directions, and meeting in a point. U Angles are Right or Oblique, Acute or Obtuse. 15. A Right Angle is that which is made by one line perpendicular...oblique lines ; and is either less or greater than u right angle. 17. An Acute Angle is less than a right angle. 18. An Obtuse Angle is greater than a... ## A Course of Mathematics: For the Use of Academies, as Well as Private Tuition

Charles Hutton - Mathematics - 1818 - 646 pages
...different directions, and meeting in a point. 14. Angles are Right or Oblique, Acute or Obtuse. 15. A Right Angle is that which is made by one line perpendicular...either less or greater than a right angle. 17. An Acule Angle is less than a right angle. 18. An Obtuse Angle is greater than a right \. j angle. \,... ## A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - Mathematics - 1822 - 618 pages
...different directions, and meeting in a point. 14 Angles are Right or Oblique, Acute or Obtase. 15. A Right Angle is that which is made by one line perpendicular...angle. 17. An Acute Angle is less than a right angle. 18. An Obtuse Angle is greater than a right angle. 19. Superficies are either Plane or Curved. 20.... ## A Course of Mathematics for the Use of Academies: As Well as ..., Volume 1

Charles Hutton - Mathematics - 1825
...different directions, and meeting in a point. 14. Angles are Right or Oblique, Acute or Obtuse. 16. A Right Angle is that which is made by one line perpendicular...one another, they are right angles. 16. An Oblique Am;le is that which is made by two oblique lines ; and is either less or greater than a right angle.... ## A Course of Mathematics: For the Use of Academies as Well as Private Tuition ...

Charles Hutton - Mathematics - 1831
...different directions, and meeting in a point. 14. Angles are Right or Oblique, Acute or Obtuse. 15. A Right Angle is that which is made by one line perpendicular...angle. 17. An Acute Angle is less than a right angle. 18. An Obtuse Anglo is greater than a right angle. 19. Superfices are either Plane or Curved. 20. A... 