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 Βιβλία Βιβλία If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line. First principles of Euclid: an introduction to the study of the first book ... - Σελίδα 51
των T S. Taylor - 1880
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## The Practical Teacher, Τόμος 3

1884 - 708 σελίδες
...equal sides be produced, the angles on the other side of the base shall be equal. Prop. 5, Bk. I. 2. If at a point in a straight line, two other straight lines, «l'on the opposite sides of it, make the adjacent angles together eqaal to two right angles ; then... ## Cambridge University Examination Papers.Michaelmas Term,1884 to Easter Term ...

...candidates ander the new regulations. EUCLID. (A) 1. GIVE all Euclid's definitions of four-sided figures. If, at a point in a straight line, two other straight...adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line. 2. All the interior angles of... ## Practical Surveying: A Text-book for Students Preparing for Examinations Or ...

George William Usill - 1889 - 306 σελίδες
...two right angles. 5. If at a point in a straight line, AB, two other straight lines, c B and BD,upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines, c B and BD, shall be in one and the same line. 6. If two straight lines cut... ## Woolwich Mathematical Papers for Admission Into the Royal Military Academy ...

E. J. Brooksmith - 1889 - 354 σελίδες
...l. Define a. right angle, and a. rhombus. If, at a point in a straight line, two straight lines on opposite sides of it make the adjacent angles together equal to two right angles, they are in the same straight line. A OB, COD are two intersecting straight lines, and each of the... ## Euclid Revised: Containing the Essentials of the Elements of Plane Geometry ...

Euclid - 1890 - 442 σελίδες
...and BXP. But each of these last is a right A . .-. AXY + BXY = twort. As. Proposition 14. THEOREM — If at a point in a straight line, two other straight...of it, make the adjacent angles together equal to tivo right angles, these two straight lines must be in one and the same straight line, At the point... ## The Harpur Euclid: An Edition of Euclid's Elements

Edward Mann Langley, W. Seys Phillips - 1890 - 538 σελίδες
...complementary to each Other; and each is called the complement of the other. PROPOSITION 14. THEOREM. If at a point in a straight line two other straight lines on opposite sides of it make adjacent angles together equal to two right angles, these two straight lines... ## Rider Papers on Euclid: Books i and Ii, Graduated and Arranged in Order of ...

Rupert Deakin - 1891 - 102 σελίδες
...straight line on one side of it are either two right angles or are together equal to two right angles. 14. If at a point in a straight line two other straight lines on opposite sides of it make the adjacent angles together equal to two right angles, these two straight... ## A Text-book of Geometrical Deductions

James Blaikie, William Thomson - 1891 - 160 σελίδες
...straight lines meet in a point, the angles formed shall be together equal to four right angles. i 14. If at a point in a straight line two other straight lines on opposite sides of it make adjacent angles which are together equal to two right angles, these two straight... ## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - 1892 - 460 σελίδες
...supplementary. PROPOSITION 14. THEOREM. If, at a point in a straight line, two otlier straight lines, on opposite sides of it, make the adjacent angles together equal to two right angles, then these two straight lines shall be in one and the same straight Kv,e. At the point B in the straight... ## The First Book of Euclid's Elements: Arranged for Beginners

Euclid, John Bascombe Lock - 1892 - 184 σελίδες
...equal. 7. With the construction of Question 6 shew that FA bisects the angle BAC. Proposition 14. 91. If at a point in a straight line, two other straight lines on opposite sides of it, make the adjacent angles together equal to two right angles, these two straight...