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Need help figuring out what X is?

Need help figuring out what X is?-example-1
User Asperi
by
8.3k points

1 Answer

7 votes

Answer:

x = 3.5

Explanation:

Since CD is the angle bisector of ∠ACB then the following ratios are equal


(AC)/(BC) =
(AD)/(DB)

substitute the given values into the equation


(5)/(6) =
(x)/(4.2) ( cross- multiply )

6x = 21 ( divide both sides by 6 )

x = 3.5


User Ortex
by
8.3k points

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