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Llibres Llibres 61 - 70 de 112 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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The school edition. Euclid's Elements of geometry, the first six books, by R ...

Robert Potts - 1864
...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 any thing. XIv. A figure is that which is enclosed by...
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The college Euclid: comprising the first six and the parts of the eleventh ...

Alexander Kennedy Isbister - 1865
...that which is less than a right _ angle. XIII. A term or boundary is the extremity of any thing. XIV. A figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and is such...
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Elements of plane geometry, book i, containing nearly the same propositions ...

1865
...called a PERPENDICULAR to it. 10. An OBTUSE ANGLE is that which is greater than a right angle. 11. An ACUTE ANGLE is that which is less than a right angle. 12. PARALLEL LINES, or those straight lines which are in the same plane, and being produced ever so...
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The English Cyclopaedia

1866
...enters, its tangent is the straight lino which is used in determining the angle. ANGLE (RECTILINEAR). 311 an acute angle is that which is less than a right angle ; an dbhae angle is that which lies between ona and two right angles. Complemcntal angles are two which...
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An English primer; compiled under the superintendence of E.C. Lowe

Edward Clarke Lowe - 1866
...other is & 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. ___^— 1 3. A term or boundary is the extremity ot anything. 14. Afgure is that which is enclosed...
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The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1867 - 400 pągines
...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 or more boundaries. 15. A circle is a plane figure contained by one line, which is called the circumference, and is such,...
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The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1867 - 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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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1868 - 410 pągines
...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. XTTI. A term or boundary is the extremity of any thing. xrv. XV. A circle is a plane figure contained...
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The Teachers' Companion to the American Drawing-slates and Cards ...

Walter Smith - 1872 - 44 pągines
...— No. 1. A right angle. No. 2. An obtuse angle is that which is greater than a right angle. No. 3. An acute angle is that which is less than a right angle. The dotted line shows a right angle in 2 and 3. DIVISION ft. TRIANGLES NAMED FROM TIIEIK ANGLES. DEFINITIONS....
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The Acting Teacher's and Student's in Training Guide and Text Book for ...

Henry Major - 1873
...acute angle is less than a right angle. XIII. A term or boundary is the extremity of any. thing. XIV. A figure is that which is enclosed by one or more boundaries. , XV. A circle is a plane figure contained by one line, called the circumference, such that all straight...
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