Proposition: Prop. 11.11: Construction of Straight Line Perpendicular to Plane from point not on Plane
To draw a perpendicular straight line from a given raised point to a given plane.
* Let $A$ be the given raised point, and the given plane the reference (plane).
* So, it is required to draw a perpendicular straight line from point $A$ to the reference plane.
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Table of Contents
Proofs: 1 2 3 4
Thank you to the contributors under CC BY-SA 4.0!
Adapted from (subject to copyright, with kind permission)
- Fitzpatrick, Richard: Euclid's "Elements of Geometry"
Adapted from CC BY-SA 3.0 Sources:
- Prime.mover and others: "Pr∞fWiki", https://proofwiki.org/wiki/Main_Page, 2016