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Aleksandr-060686 [28]
2 years ago
14

What is the length of MN ?

Mathematics
1 answer:
solniwko [45]2 years ago
4 0

Answer:

<u>C. 4</u>

Step-by-step explanation:

Using the Law of Sines,

  • sinA / a = sinB / b

<u>Here,</u>

  • A = 63°
  • a = x + 8
  • B = 63°
  • b = 3x

<u>Solving</u> :

  • sin63°/x + 8 = sin63°/3x
  • x + 8 = 3x
  • 2x = 8
  • x = 4
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