Homework Help: Geometry

Posted by Lily on Wednesday, December 28, 2011 at 8:36pm.

The perimeter of triangle ABC is 29 meters. Line segment AD bisects angle A. Find AB and AC. CD=5cm, DB=4 cm.(triangle angle bisector theorem)

Geometry - Damon, Wednesday, December 28, 2011 at 9:24pm
AB/AC = 4/5 so AB = 4 AC/5

AB + AC + 9 = 29
so
AB + AC = 20

4 AC/5 + AC = 20
4 AC + 5 AC = 100
9 AC = 100
etc
Geometry - Anonymous, Sunday, January 22, 2012 at 4:36pm
AC= 11.11111111
AB= 8.888888889

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