Exercice n°1: A partir du triangle ISO, on construit les triangles équilatéraux SOU et RIS comme sur la figure ci-contre. 1) Quelle conjecture peut-on faire concernant les longueurs IU et OR? 2) Prouver que les triangles ORS et USI sont égaux puis démontrer la conjecture. R S U O
Exercice n°1: A partir du triangle ISO, on construit les triangles équilatéraux SOU et RIS comme sur la figure ci-contre. 1) Quelle conjecture peut-on faire concernant les longueurs IU et OR? 2) Prouver que les triangles ORS et USI sont égaux puis démontrer la conjecture. R S U O
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter1: Line And Angle Relationships
Section1.2: Angles And Their Relationships
Problem 37E: Draw a triangle with three acute angles. Construct angle bisectors for each of the three angles. On...
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