| James Elliot - 1879
...23. The angle on either side of the perpendicular is called a Right Angle, as NOL, or NOM, or F. 24. **An Acute Angle is that which is less than a right angle,** as G. 25. An Obtuse Angle is greater than a right angle, as H. 26. An Oblique Angle is any one that... | |
| Moffatt and Paige - 1879
...is called a perpendicular to it. n. 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... | |
| Isaac Sharpless - 1879 - 266 pągines
...greater than a right angle. 10. An acute * angle is one that is less than a right angle. Figure. 11. **A figure is that which is enclosed by one or more boundaries.** 12. Rectilineal 3 figures are those contained by straight lines; 13. Triangles* by three straight lines;... | |
| Euclides - 1879
...called a perpendicular to it. 11. An obtuse angle is that which is greater than a right angle. la. **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... | |
| Isaac Todhunter - 1880 - 400 pągines
...called a perpendicular to it. 11. An ol>tuso 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... | |
| Euclides - 1881
...boundary is the extremity of any thing.] This definition is unnecessary, being merely verbal. XIV. **A figure is that which is enclosed by one or more boundaries.** This definition le applicable to solid figurca, u well u to plane figures XV. A circle is a plane figure... | |
| Marianne Nops - 1882
...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.'** OF FIGURES. 13. ' A term or boundary is the extremity of anything.' 14. ' A figure is that which is... | |
| John Ogilvie - 1882
...Kg- 5Fig. 4. angles ABC and ABD equal to one another, each of these angles is called a right angle. **An acute angle is that which is less than a right angle,** as EB c. An obtum angle Is that which is greater than a right angle, s> EB D. Acute and obtuse angles... | |
| EUCLID. - 1883 - 96 pągines
...of the lines is perpendicular to the other, or at right angles to the other. 8. An obtuse angle (A) **is that which is greater than a right angle. 9. An acute angle** (B) is that which is less than a right angle. 10. A figure is that which is enclosed by one or more... | |
| Euclid, Isaac Todhunter - 1883 - 400 pągines
...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... | |
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