 | George Clinton Shutts - 1905 - 260 pages
...,21. An acute angle is an angle that is less than a right angle. In Fig. 12, BOC is an acute angle. B 22. An obtuse angle is an angle that is / greater...that makes right angles with another line. In Fig. 11, A 0 is perpendicular to BC, and BC is perpendicular to A O. 24. A line is oblique to another line... | |
 | California. State Text-Book Committee - Mathematics - 1905 - 264 pages
...2. A right angle is an angle formed by the meeting of one straight line perpendicular to another. 4. An obtuse angle is an angle that is greater than a right angle. 5. How many angles has a square ? An oblong ? What kind of angles are they ? 6. Draw a circle on the... | |
 | John William McClymonds - 1905 - 264 pages
...2. A right angle is an angle formed by the meeting of one straight line perpendicular to another. 4. An obtuse angle is an angle that is greater than a right angle. 5. How many angles has a square ? An oblong ? What kind of angles are they ? 6. Draw a circle on the... | |
 | John William McClymonds, D. R. Jones - Arithmetic - 1905 - 264 pages
...2. A right angle is an angle formed by the meeting of one straight line perpendicular to another. 4. An obtuse angle is an angle that is greater than a right angle. 5. How many angles has a square ? An oblong ? What kind of angles are they ? 6. Draw a circle on the... | |
 | Edward Rutledge Robbins - Geometry, Plane - 1906 - 268 pages
...directions from the vertex. OBTUSE ANGLE ACi:TE COM 1'LEMENTABY SUPPLEMENTARY ANGLES ANGLE ANGLES 19. An obtuse angle is an angle that is greater than a right angle. An acute angle is an angle that is less than a right angle. An oblique angle is any angle that is not... | |
 | Edward Rutledge Robbins - Geometry - 1907 - 428 pages
...directions from the vertex. OBTUSE ANGLE ACUTE COMPLEMENTARY SUi-I-LEMENTAKl ANGLES ANGLE ANGLES 19. An obtuse angle is an angle that is greater than a right angle. An acute angle is an angle that is less than a right angle. An oblique angle is any angle that is not... | |
 | Martin Waldseemüller - America - 1908 - 442 pages
...by straight lines, it is called plane; if bounded by curved lines, it is called curved or spherical. An obtuse angle is an angle that is greater than a right angle. An acute angle is less than a right angle. A solid is a body measured by length, breadth, and height.... | |
 | George William Myers - Mathematics - 1910 - 304 pages
...12, angle 6). An acute angle is an angle that is less than a right angle (see Fig. 12, angle a). C An obtuse angle is an angle that is greater than a right angle and less than a straight angle (see Fig. 12, angle c). CONSTRUCTION VII 1 6. Given two sides and the... | |
 | Robert Louis Short, William Harris Elson - Mathematics - 1910 - 200 pages
...dimensions of each. 82. An acute angle is an angle that is less than a right angle. Ex. Angle a. ^a An obtuse angle is an angle that is greater than a right angle and less than two right angles. Ex. Angle 6. 83. When two straight lines intersect, the opposite angles... | |
 | Clara Avis Hart, Daniel D. Feldman - Geometry, Modern - 1911 - 328 pages
...An acute angle is an angle that is less than a right angle; as angle 1, Fig- 13. Fia. 13. 48. Def. An obtuse angle is an angle that is greater than a right angle and less than two right angles; as angle 2, Fig. 14. 49. Def. A reflex angle is an angle that is greater... | |
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An obtuse angle is an angle that is greater than a right angle. An acute angle is less than a right angle. 
