Two Lines Perpendicular to the Same Plane
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Two lines perpendicular to the same plane are coplanar.
Contributed by: Heather Byrne (March 2011)
Open content licensed under CC BY-NC-SA
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"Two Lines Perpendicular to the Same Plane"
http://demonstrations.wolfram.com/TwoLinesPerpendicularToTheSamePlane/
Wolfram Demonstrations Project
Published: March 7 2011