angenwack3923 angenwack3923
  • 01-04-2020
  • Mathematics
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Solve triangles using the law of cosines
Find m angleB.
Round to the nearest degree,

Solve triangles using the law of cosines Find m angleB Round to the nearest degree class=

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idevinstudent
idevinstudent idevinstudent
  • 01-04-2020

Answer:

Step-by-step explanation:

CosB = ((15^2) + (8^2) - (14^2)) / (-2(15)(8))

cosB = 93 / -240

Take inverse cosine:

113°

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