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Can someone please help me ​

Can someone please help me ​-example-1

1 Answer

5 votes

9514 1404 393

Answer:

LJ = 14

Explanation:

The angle bisector divides corresponding triangle segments proportionally.

LJ/LK = JM/KM

(x+3)/8 = (x-4)/4

x +3 = 2(x -4) . . . . . . multiply by 8

11 = x . . . . . . . . . . . . . add 8-x, simplify

Then the length LJ is ...

LJ = x+3 = 11 +3

LJ = 14

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