Suppose AABC is a triangle in the Euclidean plane and D is the point such that B*C*D and AD bisects the exterior angle at A. If AB = 9, AC = 6, and CD = 12, find BC.

Suppose AABC is a triangle in the Euclidean plane and D is the point such that BCD and AD bisects the exterior angle at A. If AB = 9, AC = 6, and CD = 12, find BC.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter4: Quadrilaterals

Section4.1: Properties Of A Parallelogram

Problem 36E: When the bisectors of two consecutive angles of a parallelogram meet at a point on the remaining...

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Suppose AABC is a triangle in the Euclidean plane and D is the point such that B*C*D
and AD bisects the exterior angle at A. If AB = 9, AC = 6, and CD = 12, find BC.

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