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Daniel [21]
3 years ago
10

GEOMETRY QUESTION: PLEASE ANSWER FAST!

Mathematics
1 answer:
Scrat [10]3 years ago
4 0

Answer:

<A = 30

<B = 150

Step-by-step explanation:

  • cos<A =  AK / AB
  • AK = 4
  • AB = 8
  • Cos<A = 4/8
  • Cos<A = 1/2
  • A = Cos-1(0.5)
  • A = 30 degrees
  • Since BC and and AD are parallel, the interior angles of <A and <B  sre supplementary.
  • <A + <B = 180
  • 30 + <B = 180
  • <B = 180 - 30
  • <B = 150
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