Corollary: Angles of a Right And Isosceles Triangle
(related to Proposition: 1.32: Sum Of Angles in a Triangle and Exterior Angle)
If a right triangle is isosceles, then each base angle equals half of a right angle.
Table of Contents
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"