 | Edith Long, William Charles Brenke - 1916 - 292 pagina’s
...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... | |
 | Webster Wells, Walter Wilson Hart - 1916 - 504 pagina’s
...infinity of planes can be drawn through AB± .aW (§495). 503. 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 given line on a plane is the line which contains the projections of all... | |
 | Fletcher Durell, Elmer Ellsworth Arnold - 1917 - 220 pagina’s
...oblique straight lines drawn from a point to a straight line meet the line at unequal distances from the foot of the perpendicular drawn from the point- to the line, the more remote is the greater. 146. A parallelogram is a quadrilateral whose opposite sides are parallel.... | |
 | Fletcher Durell, Elmer Ellsworth Arnold - 1917 - 330 pagina’s
...oblique straight lines drawn from a point to a straight line meet the line at equal distances from the foot of the perpendicular drawn from the point to the line, they are equal. Of what theorem is this statement the converse ? A. 2. 3. . PROPOSITION XXI. THEOREM... | |
 | Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - 1920 - 328 pagina’s
...If two oblique lines drawn from a point to a straight line meet the line at unequal distances from the foot of the perpendicular drawn from the point to the line, they are unequal, and the more remote is the greater. HINTS. Extend AC to E, making CR = AC, and draw... | |
 | Charles Austin Hobbs - 1921 - 216 pagina’s
...only plane that can be drawn through AB ± toMN. DEFINITIONS. The projection of a point upon a plane is the foot of the perpendicular drawn from the point to the plane. The projection of a line upon a plane is the locus of the projections of all the points of the... | |
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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. 
