Question

Determine the value of x.

Question 19 options:

x = 3.5


x = 4


x = 36


x = 5




(197−−−√)units

(221−−−√)units

(5–√)units

(41−−√)units

Answer 1

4

Explanation:

The angle bisector divides the sides of the triangle proportionally:

AD/CD = AB/CB

x/3 = 12/9

x = 3(12/9) . . . . multiply by 3

x = 4