In the diagram below of triangle BCD, E is the midpoint of BD and F is the midpoint of CD. If m/DBC = 37+7x, and m/DEF = 121 - 7x, what is the measure of ZDEF? D E F B
In the diagram below of triangle BCD, E is the midpoint of BD and F is the midpoint of CD. If m/DBC = 37+7x, and m/DEF = 121 - 7x, what is the measure of ZDEF? D E F B
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter5: Similar Triangles
Section5.5: Special Right Triangles
Problem 37E
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