 | Claude Irwin Palmer, Daniel Pomeroy Taylor - Geometry - 1918 - 460 pages
...division point of the circle from the plane. 593. Theorem. // two planes are perpendicular to each other a line drawn in one of them perpendicular to their intersection is perpendicular to the other. Given plane MN J- plane PQ, AB their intersection, and CD -L AB in plane MN. To prove CD ± plane PQ. Proof.... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1918 - 486 pages
...these, at any point of their intersection, lies in the other. [Prove by indirect method.] 531. COR. 2. If two planes are perpendicular to each other, a straight line drawn from any point of one, perpendicular to the other, lies in the first. [Prove by indirect method.] Ex.... | |
 | United States. Office of Education - 1921 - 1286 pages
...they are equal and their planes are parallel. 10. If two planee are perpendicular to each other, a line drawn in one of them perpendicular to their intersection is perpendicular to the other. 11. If a line is perpendicular to a given plane, every plane which contains this line is perpendicular... | |
 | Education - 1921 - 1190 pages
...they are equal and their planes are parallel. 10. If two planes are perpendicular to each other, a line drawn in one of them perpendicular to their intersection is perpendicular to the other. 11. If a line is perpendicular to a given plane, every plane which contains this line is perpendicular... | |
 | Charles Austin Hobbs - Geometry, Solid - 1921 - 216 pages
...Z, and PQ is -L to MN. (?) Proposition 232 Theorem // two planes are perpendicular to each other, a line drawn in one of them perpendicular to their intersection is perpendicular to the other. HINT. Use the same figure as in Prop. 231. Proposition 233 Theorem // two planes are perpendicular... | |
 | Raleigh Schorling, William David Reeve - Mathematics - 1922 - 476 pages
...vertical dihedral angles are perpendicular. 281. Theorem. If two planes are perpendicular to each other, a line drawn in one of them perpendicular to their intersection is perpendicular to the other. Given the plane ir perpendicular to IT', and AB perpendicular to CD. To prove that AB ± IT. Proof STATEMENTS REASONS... | |
 | Raleigh Schorling, William David Reeve - Mathematics - 1922 - 460 pages
...vertical dihedral angles are perpendicular. 281. Theorem. If two planes are perpendicular to each other, a line drawn in one of them perpendicular to their intersection is perpendicular to the other. D -E/ C FIG. 276 Given the plane IT perpendicular to IT', and AB perpendicular to CD. PERPENDICULAR... | |
 | National Committee on Mathematical Requirements - Mathematics - 1922 - 84 pages
...they are equal and their planes are parallel. 10. If two planes are perpendicular to each other, a line drawn in one of them perpendicular to their intersection is perpendicular to the other. 11. If a line is perpendicular to a given plane, every plane which contains this line is perpendicular... | |
 | Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Geometry, Solid - 1922 - 216 pages
...your statement. Theorem 22 439. If two planes are perpendicular to each other, a line drawn in one perpendicular to their intersection is perpendicular...to the other. Given the plane PQ perpendicular to the plane M, and the line AB in PQ perpendicular to the intersection BQ. To prove that AB is I. to... | |
 | National Committee on Mathematical Requirements - Mathematics - 1923 - 680 pages
...they are equal and their planes are parallel. 10. If two planes are perpendicular to each other, a line drawn in one of them perpendicular to their intersection is perpendicular to the other. 11. If a line is perpendicular to a given plane, every plane which contains this line is perpendicular... | |
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If two planes are perpendicular to each other, a straight line drawn in one of them, perpendicular to their intersection, is perpendicular to the other. 
