kekhrieie
kekhrieie kekhrieie
  • 12-05-2020
  • Mathematics
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Determine angle B by using the law of sines. Please help, thank you!

Determine angle B by using the law of sines Please help thank you class=

Respuesta :

alvaguil alvaguil
  • 12-05-2020

Answer:

B=36.97

Step-by-step explanation:

non-right triangle

c/sin C = b/ sin B

[tex]\frac{25}{sin(110)} =\frac{16}{sinB}[/tex]

cross multiply to isolate sinB

25sinB=16sin(110)

divide by 25 and isolate angle B by arccos or sin^-1

B=sin^1 ([tex]\frac{16sin(110)}{25}[/tex])

B= 36.97

Answer Link
marzanmmahee marzanmmahee
  • 12-05-2020
sin 110/25=sin B/16
sin Bx25=16xsin 110
B= sin inverse(16xsin 110/25)
B=37.0 degrees.
Answer Link

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