The figure shows triangle ABC, an isosceles triangle where the base angles LABC, ZACB are twice the vertex angle ZCAB; let BD bisect ZABC. B A D C Find the measures of LABC, ZDBC, ZBAC, then show ABAC is similar to ACBD.
The figure shows triangle ABC, an isosceles triangle where the base angles LABC, ZACB are twice the vertex angle ZCAB; let BD bisect ZABC. B A D C Find the measures of LABC, ZDBC, ZBAC, then show ABAC is similar to ACBD.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter5: Similar Triangles
Section5.6: Segments Divided Proportionally
Problem 39E: Given: ABC not shown is isosceles with mABC=mC=72;BD bisects ABC and AB=1 Find: BC
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