 | 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.... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1913 - 484 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. Ex. 1464. In the diagram for... | |
 | College Entrance Examination Board - Universities and colleges - 1924 - 138 pages
...length to one-fourth the perimeter of the trapezoid. PART II. ADVANCED SOLID GEOMETRY 6. Prove that if two planes are perpendicular to each other, a straight line drawn in one of them perpendicular to the line of intersection is perpendicular to the other plane. 7. Prove that the sum of the angles of... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1925 - 504 pages
...straight line to construct a plane perpendicular to a given plane. PROPOSITION XX. THEOREM 536. // two planes are perpendicular to each other, a straight...one of them, perpendicular to their intersection, is perpendicular to the other. Given plane CE _L plane MN, and in CE line BA _L CD, the intersection... | |
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If two planes are perpendicular to 'each other, a straight line drawn in one of them, perpendicular to their intersection, will be perpendicular to the other. 
