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" 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 19
των Euclid, John Playfair - 1853 - 317 σελίδες
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Stewart's specific subjects. Euclid. [1st] (-3rd stage). [With 2 issues of ...

Stewart W. and co - 1884
...line maJies 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 side of it, the angles CBA, ABD; there are eitber two right angles, or are together equal to two right angles. For if the angle CBA...

An introduction to geometry, consisting of Euclid's Elements, book ..., Τόμος 1

Euclides - 1884
...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 CD, the angles CBA, ABD. Then these shall either be two right angles, or shall be together equal to...

The text of Euclid's geometry, book 1, uniformly and systematically arranged ...

Euclides - 1884
...XIII. THEOREM. The angles which one straight line makes with another straight line on one side of it, are either two right angles, or are together equal to two right angles. GIVEN that the straight line AB makes with the straight line DC on one side of it the angles CBA and...

Relfe brothers' Euclid sheets, propositions 1-26, book 1

Euclides - 1884
...THIS. PROPOSITION XIII. The angles which one straight line makes voith another upon one side of it, are either two right angles, or are together equal to two right angles. Let the straight line make with , upon one side of it, the angles • Then these shall be either two...

Annual report of the State Board of Health of Illinois. 1885

1885
...geometry is founded. 7. 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. Draw diagram and demonstrate. 8. If one side of a triangle is produced, the exterior angle is equal...

Annual Report of the Illinois State Board of Health, Τόμος 7

Illinois State Board of Health - 1885
...geometry is founded. 7. 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. Draw diagram and demónstrate. 8. If one side of a triangle Is produced, the exterior angle Is equal...

Annual Report

Canada. Department of the Interior - 1888
...in the same. 2. Show that 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 anglesi 3. Show that if two straight lines cut one another, the vertical or opposite angles shall be...

The Harpur Euclid: An Edition of Euclid's Elements

Edward Mann Langley, W. Seys Phillips - 1890 - 515 σελίδες
...13. THEOREM. The angles which one straight line makes with another straight line on one side of it are either two right angles or are together equal to two right angles. Let the straight line AB make with the straight line CD on one side of it AS CBA, ABD, then LS CBA,...

Rider Papers on Euclid: Books i and Ii, Graduated and Arranged in Order of ...

Rupert Deakin - 1891 - 79 σελίδες
...without it. 13. The angles which one straight line makes with another 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...

The First Book of Euclid's Elements: Arranged for Beginners

Euclid, John Bascombe Lock - 1892 - 167 σελίδες
...straight line CD stand upon the straight line ACB ; it is required to prove that the angles ACD, BCD are either two right angles or are together equal to two right angles. BACB The angles ACB, BCD must be either equal or unequal. If the angles ACD, BCD are equal, they are...




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