| Euclides - 1874
...called a perpendicular to it. 11. An obtuse angle is that which is greater than a right angle. / 18. **An acute angle is that which is less than a right angle.** 13. A term or boundary is the extremity of any thing. 14. A figure is that which is inclosed by one... | |
| L J V. Gerard - 1874
...sides are perpendicular to one another. An obtuse angle is that which is greater than a right angle ; **an acute angle is that which is less than a right angle.** 12. When two angles are together equal to a right angle they are complementary angles, and each of... | |
| Edward Atkins - 1874
...is that which, is less than a right angle. 13. A terra or boundary is the extremity of anything. 14. **A figure is that which is enclosed by one or more boundaries.** 15. A circle is a plane figure contained by one line, which is called the circumference, and is such,... | |
| Euclides - 1874
...10. An obtuse angle is that which is greater than a right angle, but less than two right angles. 11. **An acute angle is that which is less than a right angle.** 12. A figure is a portion of space enclosed by one or more boundaries. 13. A plane figure is that which... | |
| Euclides - 1874
...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 of any thing. 14. A figure is that which is enclosed by one... | |
| 1876
...A perpendicular 'to a straight line is a straight line that makes a right angle with it. DEF. 1 6. **An acute angle is that which is less than a right angle.** DEF. 17. An obtuse angle is that which is greater than one right angle, but less than two right angles.... | |
| James Hamblin Smith - 1876 - 348 pągines
...which is greater than a right angle. XI. An ACUTE ANGLE is one which is less than a right angle. XII. **A FIGURE is that which is enclosed by one or more boundaries.** XIII. A CIRCLE is a plane figure contained by one line, which is called the CIRCUMFERENCE, and is such,... | |
| Robert Potts - 1876 - 403 pągines
...called a perpendicular to it. XL •An obtuse angle is that which is greater than a right angle. xn. **An acute angle is that which is less than a right angle.** XIII. A term or Boundary is the extremity ot any tM%. XIV. A figure is that which is enclosed TiV one... | |
| Edward Atkins - 1877
...called a perpendicular to it. 1 1 . 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 of anything. 14. A figure is that which is enclosed by one... | |
| Āryabhaṭa - 1878
...called a perpendicular to it. XVII. An obtuse angle is that which is greater than a right angle. And **an acute angle is that which is less than a right angle.** XVIII. Eeetilineal (or rectilinear) figures are those which are bounded by straight lines. XIX. Triangles... | |
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