 | Edward Mann Langley, W. Seys Phillips - 1890 - 538 pages
...a Right Angle; and the straight line which stands on the other is called a Perpendicular to it. 11. An Obtuse Angle is that which is greater than a right angle. 12. An Acute Angle is that which is less than a right angle. 13. A Term or Boundary is the extremity... | |
 | Joseph H. Rose - Sheet-metal work - 1906 - 340 pages
...» in that ssrfi?t A plane Btraight ^1gether. ts 3. "!>- CSV 1?-^ line, leaks 3* each of fe 3L „, An obtuse angle is that which is greater than a right angle as in Fig. 3. Fig. 3. An acute angle is that which is less than a right angle as in Fig. 1. A term... | |
 | Charles Westinghouse - Machine design - 1906 - 168 pages
...angle and the straight line which stands on the other is called a perpendicular to it as in Fig. 35. An obtuse angle is that which is greater than a right angle as in Fig. 36. Fig. 36. An acute angle is that which is less than a right angle as in Fig. 34. A term... | |
 | Calvin Franklin Swingle - Engineering - 1906 - 490 pages
...the straight line which stands on the other is called a perpendicular to it as in Fig 35. Fig. 38. An obtuse angle is that which is greater than a right angle as in Fig. 36. An acute angle is that which is less than a right angle as in Fig. 34. 385 An equilateral... | |
 | Calvin Franklin Swingle - Steam engineering - 1913 - 1270 pages
...the straight line which stands on the other is called a perpendicular to it as in Fig 35. Fig. 36. An obtuse angle is that which is greater than a right angle- as in Fig. 36. An acute angle is that which is less than a right angle as in Fig. 34. A term or boundary... | |
 | Charles Morris - Encyclopedias and dictionaries - 1921 - 550 pages
...90 deis called ai!:i!it angle. An acute angle is that which is less than a right angle, as E в С. An obtuse angle is that which is greater than a right angle, as EB D. Acute and obtuse angles are both called oblique, in opposition to right angles Kxterior or... | |
 | R. H. Warn, John G. Horner - Crafts & Hobbies - 2002 - 292 pages
...angle, and the straight line which stands on the other is called a perpendicular to it (Fig. 2). 8. An obtuse angle is that which is greater than a right angle (Fig. 3). 9- An acute angle is that which is less than a right angle (Fig. 1). 10. A term or boundary... | |
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When a straight line standing on another straight line, makes the adjacent angles equal to one another, each of the angles is called a, right angle ; and the straight line which stands on the other is called a perpendicular to it. 11. An obtuse angle... 
