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 Βιβλία Βιβλία The angles which one straight line makes with another upon one side of i't, are either two right angles, or are together eqval to two right angles. Elements of Geometry: Containing the First Six Books of Euclid, with a ... - Σελίδα 17
των Euclid, John Playfair - 1853 - 317 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1867 - 400 σελίδες
...straight line AB make with the straight line CD, on one side of it, the angles CBA, ABD : these either are two right angles, or are together equal to two right angles. For if the angle CBA is equal to the angle ABD, each of them is a right angle. [Definition 10. But if not, from the point... ## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1868 - 410 σελίδες
...straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles. Let the straight line AB make...with CD, upon one side of it, the angles CBA, ABD. Then these shall be either two right angles, or, shall be together, equal to two right angles. E A... ## Annual Report

1868
...base shall be equal 30 2. The angles which one straight line makes with another upon one side of it are either two right angles or are together equal to two right angels 20 3. Any two sides of a triangle are together greater than the third side 20 4. In obtuse-angled... ## Elements of Geometry, Conic Sections, and Plane Trigonometry

Elias Loomis - 1871 - 58 σελίδες
...straight line makes w:tk anothei,upi* one side of it, are either two right angles, cr are together to two right angles. Let the straight line AB make with CD, upon one side of it, the angles ABC, ABD ; these are either two right angles, or are toTethiir equal to two right angles. ^or if the... ## The Elements of Plane and Spherical Trigonometry ...

Alfred Challice Johnson - 1871
...versa. (Eue. L, 5, б.) 2. The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles, or 180°. (Eue. I., 13.) 3. If two straight l1nes cut one another, the vertical or opposite angles... ## The Acting Teacher's and Student's in Training Guide and Text Book for ...

Henry Major - 1873
...line makes with another upon the one side of it are either two right angles, or are together equal to two right angles. Let the straight line AB make with CD, upon one jlide of it, the angles CBA, ABD : these are either two right angles or are together equal to two right... ## The Elements of Euclid, containing the first six books, with a selection of ...

Euclides - 1874
...straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles. Let the straight line AB make with CD upon one side of it, the Then the angles CBA, ABD shall be either two right angles, or shall together equal to two right angles.... ## Euclidian Geometry

Francis Cuthbertson - 1874 - 349 σελίδες
...straight line makes with another upon one side of it are either two right angles or are together equal to two right angles. Let the straight line AB make with CD upon one side of it the L s ABC, ABD. These shall either be two right L s; C or shall together be = two right L s. If the then... ## A school Euclid, being books i. & ii. of Euclid's Elements, with notes by C ...

Euclides - 1874
...AJB make with the straight fine CD, on one side of it, the angles CBA, A 1. B ABD : these either are two right angles, or are together equal to two right angles. For if the angle CBA is equal to the angle ABD, each of them is a right angle. [Def. 10.] 2. But if not, from the point... ## Pure mathematics, Τόμος 1

Edward Atkins - 1874
...Proposition 13. — Theorem. The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles. Let the straight line AB make with CD, upon one side of it, the angles CBA, ABD. These angles shall...