Corollary: Bisectors of Two Supplemental Angles Are Right Angle To Each Other
(related to Proposition: 1.13: Angles at Intersections of Straight Lines)
The bisectors of two supplemental angles are at right angle to each other.
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Thank you to the contributors under CC BY-SA 4.0!
Adapted from CC BY-SA 3.0 Sources:
- Callahan, Daniel: "Euclid’s 'Elements' Redux" 2014
Adapted from (Public Domain)
- Casey, John: "The First Six Books of the Elements of Euclid"