...as the ruler : the sides ab and be of which are equal to one another, and form a right angle at b. For the convenience of sliding, there is usually a...its edge applied to either of the other sides of the triangle ; lhcn, keeping the ruler firm, move the triangle along its edge, up or down, to the given...

...into degrees, called a protractor. 13. Make an angle equal to the sum of several given angles. 14. Draw a line through a given point parallel to a given line. 15. Draw through given points several parallels to a given line. * A straight line joining two points...

...their order from left to right, and the scale will be completed. f 35. Geometrical Problems. PROBLEM I. To draw a line through a given point parallel to a given line. IT 33. Topic. A problem. Solving a problem. Practical Geometry. IT 34. Topic. Instruments necessary...

...1123456789 | . . T ....... T "T .- I i ii 1 1 n 1 1 """ II __J!j f 35. Geometrical Problems. PROBLEM L To draw a line through a given point parallel to a given line. IF 33. Topic. A problem. Solving a problem. Practical Geometry. 36 GEOMETRICAL PROBLEMS. Let AS be...

...are equal to one another. CONSTRUCTION. — Pst. 2. A st. line may be produced indefinitely. P. 31. To draw a line through a given point parallel to a given line. Def. A. A parallelogram is a four-sided figure of which the opposite sides are parallel, and the diagonal...

...right-angled triangle cmn, making mn equal to n' x; me is the distance between the lines. PROBLEM 22. To draw a line through a given point parallel to a given plane, but to have a given inclination. There is a limit to the inclination of the required line ;...

...The straight line joining A and F is perpendicular to DE. Let the student show why. 174. Problem. — To draw a line through a given point parallel to a given line. Let a perpendicular fall from the point on the line. Then, at the given point, erect a perpendicular...

...^ straight line joining A and F is perpendicular to DE. Let the student show why. 174. Problem. — To draw a line through a given point parallel to a given line. Let a perpendicular fall from the point on the line. Then, at the given point, erect a perpendicular...

...Draw line HE, which would pass through the point of intersection of the two lines produced. FIG. 9. To draw a line through a given point parallel to a given line. From С, the given point, describe the arc AD, cutting the given line at A B. From A, with the same...

...draughtsmen to construct right angles and perpendiculars by the use of the square. 217. Problem. — To draw a line through a given point parallel to a given line. This has been done by means of perpendiculars (174). It may be done with an oblique secant, by making...