Category:Perpendiculars
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This category contains results about Perpendiculars.
In the words of Euclid:
- When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that on which it stands.
(The Elements: Book $\text{I}$: Definition $10$)
In the above diagram, the line $CD$ has been constructed so as to be a perpendicular to the line $AB$.
Subcategories
This category has the following 4 subcategories, out of 4 total.
Pages in category "Perpendiculars"
The following 13 pages are in this category, out of 13 total.
C
P
- Perpendicular Distance from Straight Line in Plane to Point
- Perpendicular from Point to Straight Line in Plane is Unique
- Perpendicular through Given Point
- Perpendicularity is Antireflexive Relation
- Perpendicularity is Antitransitive Relation
- Perpendicularity is Symmetric Relation
- Polar of Point is Perpendicular to Line through Center