Question

in ABC, the bisector of angle B intersects line segment AC in D. If AD/DC = 3/4 and AB = 7.5, find BC.
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Answer 1

Step-by-step explanation:

(iii)

AC

AB

=

DC

BD

∴

4.2

3.5

=

2.8

BD

∴ BD=

4.2

3.5×2.8

∴ BD=2.33cm

Answer 2

Answer:

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