Given: 


a)
To find:
DC
Given:
And
That is,
Approach:
By using anglebisector theorem, that is “if a ray bisects of an angle of a triangle, then it divides the opposite side into two segments whose length are proportional to the lengths of the two sides that from the bisected angle”
Let
b)
To find:
The value of BD.
c)
To find:
BA
d)
To find:
The value of DC.
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