jetblackcap jetblackcap
  • 06-05-2019
  • Mathematics
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Help is much needed!!!!

Help is much needed class=

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Аноним Аноним
  • 06-05-2019

Answer:

b = 6√3.

Step-by-step explanation:

Use trigonometry.

cos 30 = adjacent side / hypotenuse = b / 12

√3 / 2 = b / 12

2b = 12√3

b = 6√3 answer.

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