Question

What is the value of x? Enter your answer, as a decimal, in the box.

x = ___

Answer 1

x = 3.5

Explanation:

Since CD is an angle bisector the following ratios are equal

`(CB)/(CA)` =
`(BD)/(AD)`, that is

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

6x = 21 ( divide both sides by 6 )

x = 3.5