 | William Grier - Mechanical engineering - 1832 - 366 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...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.... | |
 | Joseph Guy - Astronomy - 1832 - 412 pages
...point where they meet is called the angular point, and the lines AB and AC, are called sides or legs. A Right Angle is that which is made by one line perpendicular...side are equal to one another, they are right angles ; as the angles M and N (fig. 3.) The measure of a right angle is a quadrant of 90 degrees. An Acute... | |
 | Peter Nicholson - Bricklaying - 1832 - 424 pages
...towards one another in the same plane, meeting in a point. Angles are either right, acute, or oblique. A right angle is that which is made by one line perpendicular...another, or when the angles on each side are equal. An acute angle is less than a right angle. A plane is a surface with which a straight line will every... | |
 | Edward Shaw - Architecture - 1832 - 402 pages
...towards one another, meeting in a point, as J. 15. Anglet are either right, acute, or oblique, as K. 16. A right angle is that which is made by one line perpendicular...another, or when the angles on each side are equal, as M. 17. An acute angle is less than a right angle, as N, 2. 18. An obtuse angle is greater thaira... | |
 | William Ruger - Arithmetic - 1832 - 282 pages
...the angle at B, in the annexed Figure. An angle is the i opening between 2 lines meeting iu a point. A right angle is that which is made by one line perpendicular to the other, thus, B, fit, __—^.__ falling perpendicular to A, B, forms a rignt Pase. B angte at B-... | |
 | Industrial arts - 1835 - 398 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 Acute Anglo is less than a right angle. 18. An Obtuse Angle is greater than a right angle. 19. Superficies... | |
 | William Grier - Mechanical engineering - 1836 - 384 pages
...different directions, and meeting in a point. 14. Angles are Bight 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 Angle is greater than a right angle. 19. Superficies are either Plane or Curved. 20.... | |
 | Edward Shaw - Architecture - 1836 - 438 pages
...towards one another, meeting in a point, as J. 15. Angles are either right, acute, or oblique, as K. 16. A right angle is that which is made by one line perpendicular...another, or when the angles on each side are equal, аз М. I ! tnrei sides equal, 17. An acute angle is less than a right angle, as N, 2. 18. An obtuse... | |
 | Benjamin Greenleaf - Arithmetic - 1839 - 356 pages
...different directions, and meetmg in a point. 13. Angles are right or oblique, acute or obtuse. 14. A right angle is that which is made by one line perpendicular...side are equal to one another, they are right angles. — 15. An oblique angle is one, which is made by two oblique lines, and is either less or greater... | |
 | Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...different directions, and meeting in a point. 13. Angles are right or oblique, acute or obtuse. 14. A right angle is that which is made by one line perpendicular...side are equal to one another, they are right angles. — 15. An oblique angle is one, which is made by two oblique lines, and is either less or greater... | |
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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. 
