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" From a given point, to draw a line parallel to a given line. Let A be the given point, and BC the given line. "
Elements of Geometry, and Plane and Spherical Trigonometry: With Numerous ... - Σελίδα 113
των Horatio Nelson Robinson - 1865 - 444 σελίδες
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Elements of Geometry

abbé Rossignol (Jean-Joseph) - 1787 - 162 σελίδες
...angles r, s, are therefore equal, and confequently ''the lines BA, DC are parallel. PROP. XXI. Through a given point to draw a line parallel to a given line. Let G be the point through which it is required to draw a line parallel to the given line MF. From any...

The principles of architecture

Peter Nicholson - 1809
...angle into two equal angles . 6 VI. To trisect a right angle into three equal angles . 7 VII. Through a given point, to draw a line parallel to a given line . . . ,7 VIII. To divide a given line into any proposed number of equal parts . . . .8 I'KOB. lt'-1...

Elements of Geometry and Trigonometry: With Notes

Adrien Marie Legendre - 1828 - 316 σελίδες
...into sixteen, and so on. PROBLEM. 1 39. Through a given point, to draw a parallel to a given straight line. Let A be the given point, and BC the given line. From the point A as a centre, with a radius sufficiently great, describe the indefinite arc EO ; from...

Elements of Geometry and Trigonometry

Adrien Marie Legendre - 1836 - 359 σελίδες
...sixteen, and so ri" • PROBLEM VI. V...-- Through a given point, to draw a parallel to a given straight line. Let A be the given point, and BC the given line. 3 From the point A as a centre, with a radius greater than the shortest distance from A to BC, describe...

Annual Report of the Board of Education, Τόμος 56

Massachusetts. Board of Education - 1893
...20.* When a line crosses two parallel lines, compare the alternate angles. They are equal. 21. Through a given point to draw a line parallel to a given line. 22.* Oblique lines, extending from a point in one of two perpendicular lines to points equally distant...

The American House-carpenter: A Treatise Upon Architecture, Cornices and ...

Robert Griffith Hatfield - 1845 - 304 σελίδες
...therefore, is equal to | of a quadrant ; and this is equal to a right angle. Fig. 36. 79. — Through a given point, to draw a line parallel to a given line. Let a, (Fig. 36,) be the given point, and bc the given line. Upon any point, as d, in the line, bc, with the...

Elements of Drawing and Mensuration Applied to the Mechanic Arts: A Book for ...

Charles Davies - 1846 - 240 σελίδες
...angle ECB, and the arc AE to the arc EB. 32. How do you draw through a given point a line parellel to a given line ? Let A be the given point, and /<• BC the given line. i From A as a centre, with a radius greater than the shortest distance from A to BC, describe the indefinite...

Elements of Geometry, Theoretical and Practical: Containing a Full ...

George Clinton Whitlock - 1848 - 324 σελίδες
...б'82 1'19 6'7б 0^ 4'33 4'87 2'1б 7'12 30'34 20Ю5 20'05 10'29 PLOTTING. 217 PROBLEM II. Through a given point to draw a line parallel to a given line. Set one foot of the dividers in the given point, P, and with any convenient centre describe the circumference...

Elements of Geometry and Trigonometry Translated from the French of A.M ...

Charles Davies - 1849 - 359 σελίδες
...straight line. PROBLEM II. At a given point, in a given straight line, to erect a perpendicur lor to this line. Let A be the given point, and BC the given line. Take the points B and C at equal distances from A ; then from the points B and C as centres, with a...

Ticknor's Mensuration, Or, Square and Triangle: Being a Practical and ...

Almon Ticknor - 1849 - 144 σελίδες
...square, or other suitable instrument. 11. Through a given point to draw a parallel to a given straight line. Let A be the given point, and BC the given line. From the point A, as a centre, with a radius greater than the shortest distance from A to BC, describe...




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