anonymous
  • anonymous
I need help! Solve for triangle ABC: 1. a = 28, b = 15,
Mathematics
jamiebookeater
  • jamiebookeater
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RadEn
  • RadEn
(1). use the law of sines to get the measure of angle B asin(B) = bsin(A) sin(B) = bsin(A)/a sin(B) = 15 sin(110)/28 sin(B) = .... then take arc(sin) to get the measure of angle B (dont forget use the calculator)
anonymous
  • anonymous
Alright, thank you!
RadEn
  • RadEn
but that's not clear yet, you need the measure of angle C, and then determine the length of c

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RadEn
  • RadEn
after you get
RadEn
  • RadEn
and to get the length of side c, you can use the law of sines or the law of cosines.
RadEn
  • RadEn
c^2 = (a^2 + b^2 - 2 ab cos(C) solve for c

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