| Euclid, Isaac Barrow - 1714 - 536 pages
...is caUed CGA, or AGC. XI. An obtufe angle is that which is greater than a right angle ; as ACO. XII. An acute angle is that which is lefs than a right angle ; as ACB. L Alii. A Limit, or Term, O is the end of any thing. • XIV. A Figure is that which is contained... | |
| John Ward (of Chester.) - 1734 - 478 pages
...that which is Greater than a Angle. Such i* the /frzgte Included between the Lines А С and CB. io. An ACUTE ANGLE is that which is Lefs than a Right Angle: As the Angle Included between the Lines С S and С 2). Thefe Two Angles are generally called OBLIQUE... | |
| Robert Simson - 1762 - 488 pages
...called a perpendicular to it. • XI. An obtufe angle is that which is greater than a right angle. XII. An acute angle is that which is lefs than a right angle. XIII. " A term or boundary, is the extremity of any thing." XIV. A figure is that which is inclofed... | |
| Joseph Highmore - 1763 - 258 pages
...C, D, fig- 511. An obtufe angle is that which is greater than a right angle, as E, B, C, fig. 5. 12. An acute angle is that which is lefs than a right angle, as E, B, D, fig-513. A circle is a plain figure comprehended by one line, which is called a circumference,... | |
| Robert Simson - 1775 - 534 pages
...called a perpendicular to it. — XI. An obtufe angle is that which is greater than a right angle. XII. An acute angle is that which is lefs than a right angle. xin. " A term or boundary is the extremity of any thing." XIV. A figure is that which is inclofed by... | |
| Euclid - 1781 - 552 pages
...is called a perpendicular to it. XI. An obtufe angle is that which is greater than a right angle. ,. An acute angle is that which is lefs than a right angle. > '.'XIII. , •i. ;. " A term or boundary is the extremity of any thing." At. V« A figure is that... | |
| Charles Vyse - 1785 - 350 pages
...denotes the Angle, b. An obtufe Angle is that which is greater than a right Angle, as CAB, (Fig. 3.) An acute Angle is that which is lefs than a right Angle, asDCB, (Fig. 4.) Parrallel Lines are thufe of which every Point of the one is at the fame D1ftance... | |
| Euclid - 1789 - 296 pages
...perpendicular to each other. 10. An obtufe angle is that which is greater than a right angle. .11. An acute angle is that which is lefs than a right angle. 12. A : \ 12. A figure is that which is inclofed by one or more boundaries. 13. A circle is a plane... | |
| John Hamilton Moore - 1791 - 578 pages
...than a Right Angle, fuch as the Angle included between the Lines А С and С B. - - ; -.. .:. vin. An Acute Angle is that which is lefs than a Right Angle, fuch as the Angle included between the Lines С В and С D ; thefe Angles are called Oblique Angles.... | |
| Euclid, John Playfair - 1795 - 462 pages
...called a per- , pendicular to it. VJII vra. Ao obtufe angle is that which is greater than a right angle. IX. An acute angle is that which is lefs than a right angle. X. A figure is that which is inclofed by one or more boundaries. XI. A circle is a plane figure contained... | |
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