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ASA Criteria for Congruency

In the adjoin...

Question

In the adjoining figure, if AD is the bisector of ∠A, what is AC?

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Solution

GIVEN: AB = 6cm, BD = 3cm and DC = 2cm. Also, AD is the bisector of .

TO FIND: AC

SOLUTION: We know that the internal bisector of a triangle divides the opposite side internally in the ratio of the sides containing the angle. Therefore,

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