 | Euclides - 1884 - 214 pàgines
...called a perpendicular to it. XL An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. XIII. A term or boundary, is the extremity of anything. XIV. A figure is that which is enclosed by... | |
 | Edward Mann Langley, W. Seys Phillips - 1890 - 538 pàgines
...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 anything. 14. A Figure is that which is inclosed by one... | |
 | Charles Westinghouse - 1906 - 168 pàgines
...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 or boundary is the extremity of anything. An equilateral triangle is that which... | |
 | Joseph H. Rose - 1906 - 340 pàgines
...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 or boundary is the extremity of anything. Fig. 4. Fig. 5. An equilateral triangle... | |
 | Calvin Franklin Swingle - 1906 - 490 pàgines
...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 triangle is that which has three equal sides as in Fig. 37. An isosceles... | |
 | William Hughes - 1908 - 942 pàgines
...and an Acute Angle is less, than a right angle. A Term or Boundary is the extremity of anything, and a Figure is that which is enclosed by one or more boundaries. Hence A Circle is a plane figure contained by one line, which is called the circumference, and is such... | |
 | Calvin Franklin Swingle - 1913 - 1270 pàgines
...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 is the extremity of anything. An equilateral triangle is that which... | |
 | Charles Morris - 1921 - 550 pàgines
...falling on another perpendicularly, or an angle is measured by an arc of 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... | |
 | R. H. Warn, John G. Horner - 2002 - 292 pàgines
...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 is the extremity of anything. 11. A figure is that Fig. 3. which is... | |
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... 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 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... 
