 | Ernst Rudolph Breslich - Mathematics - 1916 - 392 pages
...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.... | |
 | Webster Wells, Walter Wilson Hart - Geometry - 1916 - 504 pages
...NUMERICAL RELATIONS AMONG SEGMENTS OF A TRIANGLE .p 308. The Projection of a Point upon a given line is the foot of the perpendicular drawn from the point to the line. j_ , Thus, R is the projection of P on AB. \ 309. The Projection of a Segment upon a given line... | |
 | Edith Long, William Charles Brenke - Geometry, Modern - 1916 - 292 pages
...one of the parallelograms? What are their areas? 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... | |
 | Ervin Kenison, Harry Cyrus Bradley - Geometry, Descriptive - 1917 - 316 pages
...profile view. DESCRIPTIVE GEOMETRY [XII, ยง 121 121. The Projection of a Point or Line on a Plane. The projection of a point on a plane is the foot of the perpendicular dropped from the point to the plane. This definition is not confined to the coordinate planes of projection,... | |
 | Fletcher Durell, Elmer Ellsworth Arnold - Geometry, Solid - 1917 - 220 pages
...from a point to a plane are equal when, and only when, they meet the plane at equal distances from the foot of the perpendicular drawn from the point to the plane ; II. Of two oblique lines drawn from a point to a plane, and meeting the plane at unequal distances... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1918 - 486 pages
...intersecting planes consists of the two planes bisecting the dihedral angles formed by the planes. 536. DEF. The projection of a point on a plane is the foot of the perpendicular from the point to the plane. The projection of a figure upon a plane is the locus of the projections... | |
 | Charles Austin Hobbs - Geometry, Solid - 1921 - 216 pages
...212 Theorem // two oblique lines drawn from a point to a plane meet the plane at equal distances from the foot of the perpendicular drawn from the point to the plane, they are equal; and if two oblique lines meet the plane at unequal distances from the foot of the perpendicular,... | |
 | Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Geometry, Solid - 1922 - 216 pages
...other, the exterior faces of the adjacent angles form one plane. PEOJECTIONS 445. Projection of a point. The projection of a point on a plane is the foot of the perpendicular from the _point to the plane. The perpendicular which contains the point and its projection is called... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1913 - 484 pages
...a dihedral angle lies in a plane bisecting the dihedral angle. LINES AND PLANES IN SPACE 536. DEF. The projection of a point on a plane is the foot of the perpendicular from the point to the plane. The projection of a figure upon a plane is the locus of the projections... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1925 - 504 pages
...intersecting planes consists of the two planes bisecting the dihedral angles formed by the planes. 543. DEF. The projection of a point on a plane is the foot of the perpendicular from the point to the plane. The projection of a figure upon a plane is the locus of the projections... | |
| |
The projection of a point on a plane is the foot of the perpendicular from the point to the plane. 
