Question 2: (15) EXTENSION! In AABC, CD is the angle bisector of ZBCA. Show that
Stewart's theorem can be written as d? = ab - mn when d is the length of the
angle bisector shown in the accompanying figure. Then find d when a = 9,
b= 15, m 6, and - 10.
b
a
d
B
A
m
D
n
c

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