amiusjonal amiusjonal

13-04-2021
Mathematics

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sqdancefan sqdancefan

14-04-2021

9514 1404 393

Answer:

x = 16

Step-by-step explanation:

The angle bisector divides the sides proportionally.

(x -4)/9 = x/12

4(x -4) = 3x . . . . . . . multiply by 36

x = 16 . . . . . . . . . . . . add 16-3x to both sides, simplify

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