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Straight lines which are parallel to the same straight line are parallel to one another.
Mathematics in the Lower and Middle Commercial and Industrial Schools of ... - Page 17
by Edson Homer Taylor - 1915 - 96 pages

## Queen's scholarship examination. Amner's eight years' scholarship questions ...

Joseph Wollman - 1879 - 120 pages
...MKH coincides with the triangle LHK, and the angle MKH coincides with the angle LHK (Ax 8). QED 3. Straight lines, which are parallel to the same straight line, are parallel to each other. If two adjacent sides of a parallelogram be parallel to two adjacent sides of another parallelogram,...

## First principles of Euclid: an introduction to the study of the first book ...

T S. Taylor - 1880 - 152 pages
...(Euclid I. 30). Repeat. — The enunciations of Euc. I. 27, I. 29, and Axiom i. General Enunciation. Straight lines which are parallel to the same straight line are parallel to one another. Particular Enunciation. Given.— A _ B (a) The line AB parallel to the line E F. E - * (V) And the...

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

Isaac Todhunter - Euclid's Elements - 1880 - 426 pages
...equal to two right angles. [Axiom 1. Wherefore, if a straight line &c. QEB PROPOSITION 30. THEOREM. Straight lines which are parallel to the same straight line are parallel to each other. Let AB, CD be each of them parallel to EF: AB shall be parallel to CD. Let the straight...

## Papers for teachers

1880 - 594 pages
...honesty that he provided a home for him, paid for his education, and started him in life." Euclid. — i. Straight lines which are parallel to the same straight line are parallel to each other. If two adjacent sides of a parallelogram be parallel to two adjacent sides of another parallelogram,...

## Ten years' Queen's scholarship questions, 1870-9, with answers to arithmetic ...

Education Ministry of - 1880 - 248 pages
...a greater angle. Write out the enunciations of any previous propositions employed in this proof. 3. Straight lines, which are parallel to the same straight line, are parallel to each other. If two adjacent sides of a parallelogram be parallel to two adjacent sides of another parallelogram,...

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

Euclides - Euclid's Elements - 1881 - 236 pages
...perpendicular to one of two parallel straight linee, it is also perpendicular to the other. PROP XXX. THEOREM. Straight lines which are parallel to the same straight line are parallel to each other. Let the straight lines AB, CD, be each of them parallel to EF. Ther AB is also parallel...

## Elements of Geometry

Simon Newcomb - Geometry - 1881 - 418 pages
...parallelogram. nals of a quadrilateral are two lines joining its opposite angles. THEOREM XXV. 120. Straight lines which are parallel to the same straight line are parallel to each other. Hypothesis. The line b par- 14 allel to the line a. The line c I also parallel to the line...

## The preliminary army examination made easy, a guide to self-preparation

John Gibson - 1881 - 64 pages
...alternate angles equal to one another, the two straight lines shall be parallel. 3. Straight lines that are parallel to the same straight line are parallel to one another. 4. Through a given point draw a straight line parallel to a given straight line. 5. The three interior...