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I need to find the missing length indicated

I need to find the missing length indicated-example-1

1 Answer

3 votes

Answer:

10 units.

Explanation:

By the Angle Bisector of a Triangle theorem:

? / 15 = 4 (10-4)

? / 15 = 4/6

? / 15 = 2/3

? = 15*2 / 3 = 10 (answer).

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