Question

In figure Ab_12 cm,AD_4 CM,? Then figure BD cm which the answer in BD​

Answer 1

Answer:

An angle bisector of a triangle divides the opposite side into two segments that are proportional to the other two sides of the triangle.

AC

AB

=

CD

BD

(1)

AB=12cm

AC=20cm

BD=5cm

So (1) becomes

20

12

=

CD

5

CD=

12

5×20

CD=8.33

Hence CD=8.33cm

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