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Llibres Llibres 81 - 90 de 113 sobre ... angles is called a right angle ; and the straight line which stands on the other....
" ... 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... "
Elements of Geometry: Containing the First Six Books of Euclid with a ... - Pągina 9
per John Playfair - 1855 - 318 pągines
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Mensuration for pupil teachers

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...
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Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

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...
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The Elements of Plane and Solid Geometry: With Chapters on Mensuration and ...

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;...
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Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

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...
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The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

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...
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The Elements of geometry; or, The first six books, with the eleventh and ...

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...
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Class lessons on Euclid

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...
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The Imperial dictionary, on the basis of Webster's English dictionary, Volum 1

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...
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Geometry for schools, comprising books i. and ii. of Euclid, with some ...

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...
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The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

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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