jetblackcap jetblackcap
  • 03-05-2019
  • Mathematics
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Please help :) !!!!!

Please help class=

Respuesta :

Аноним Аноним
  • 03-05-2019

Answer:

x = 7.

Step-by-step explanation:

Because the angle is bisected we have the equation:

21 / 14 = (3x - 12) / 6  (By the Bisector of an Angle in a Triangle theorem).

14(3x - 12) =  6*21

42x - 168 = 126

42x = 294

x =  294/42

x =  7 answer.

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