 | Isaac Newton Failor - Geometry - 1906 - 440 pages
...AB only one plane can be passed -L to MN. QED 572 DEFINITION. The projection of a point upon a plane is the foot of the perpendicular drawn from the point to the plane. 573 DEFINITION. The projection of a line upon a plane is the line which contains the projections... | |
 | Elmer Adelbert Lyman - Geometry - 1908 - 364 pages
...other two sides. 9. Show that a diagonal and a side of a square are incommensurable. 404. Definitions. The projection of a point on a straight line is the foot of the perpendicular from the point to the line. 405. The projection of a given line segment on a straight line is the segment... | |
 | Elmer Adelbert Lyman - Geometry - 1908 - 364 pages
...oblique lines drawn from the same point to the same straight line meet the line at equal distances from the foot of the perpendicular drawn from the point to the line, they are equal. If they meet the line at unequal distances from the foot of the perpendicular, the... | |
 | Webster Wells - Geometry - 1908 - 336 pages
...AB, would be -L MN (§ 391), which is impossible. 396. Def s. The projection of a point on a plane is the foot of the perpendicular drawn from the point to the plane. The projection of a line on a plane is the line which contains the projections of all its points.... | |
 | Grace Lawrence Edgett - Geometry - 1909 - 104 pages
...isosceles. 6. Two equal oblique lines drawn from a point to a line meet the line at equal distances from the foot of the perpendicular drawn from the point to the line. 7. Prom a given point only two equal straight lines can be drawn to a given line. Group XI. Loci Theorems... | |
 | Robert Louis Short, William Harris Elson - Mathematics - 1911 - 216 pages
...above outlined is algebraic, and is the most simple one known. 194. The projection of a point upon a straight line is the foot of the perpendicular drawn from the point to the line. Thus, the projection of the vertex of an isosceles triangle upon the base is the middle point of the... | |
 | George Clinton Shutts - Geometry - 1912 - 392 pages
...— 2 ab. Proof left to the pupil. 335. • PROJECTION OF A POINT. The * projection of a point upon a line is the foot of the perpendicular drawn from the point to the line. If AM is perpendicular to BC, then M is the projection of A upon BC. 336. PROJECTION OP A SECT. The... | |
 | Edith Long, William Charles Brenke - Geometry, Plane - 1916 - 292 pages
...area of each part. A a B PLANE GEOMETRY [iii. § 117 117. Definition. The projection of a point on a line is the foot of the perpendicular drawn from the point to the line. From what two Latin words is the word projection derived? Do you find any connection between the original... | |
 | Ernst Rudolph Breslich - Mathematics - 1916 - 392 pages
...similar. Similarly, prove A D FIG. 125 225. Projection of a point. The projection of a point upon a given line is the foot of the perpendicular drawn from the point to the line. Thus, point D, Fig. 125, is the projection of point A upon BC. 226. Projection of a segment. To project... | |
 | Edith Long, William Charles Brenke - Geometry, Modern - 1916 - 292 pages
...area of each part. A a B PLANE GEOMETRY [iiI, § 117 117. Definition. The projection of a point on a line is the foot of the perpendicular drawn from the point to the line. From what two Latin words is the word projection derived? Do you find any connection between the original... | |
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The projection of a point on a plane is the foot of the perpendicular drawn from the point to the plane. 
