jetblackcap jetblackcap

03-05-2019
Mathematics

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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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