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 Βιβλία Βιβλία 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
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## 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

...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...