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B
6
8
A
х
D
с
x = [?]

B 6 8 A Х D С X class=

Sagot :

9514 1404 393

Answer:

  3

Step-by-step explanation:

The angle bisector BD makes left-side segments proportional to right-side segments. We see that CD is half of CB, so we expect the same proportion between AD and AB.

  AD/AB = CD/CB

  x/6 = 4/8 = 1/2 . . . . fill in the values, simplify the fraction

  x = 6(1/2) . . . . . . . . multiply by 6

  x = 3