anonymous
  • anonymous
State whether the given measurements determine zero, one, or two triangles. A = 61°, a = 23, b = 24
Precalculus
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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RadEn
  • RadEn
first, to get the measure of angle B, use the law of sine : a sinB = b sinA sinB = b sinA/a = 24*sin61°/23 = .... ?
RadEn
  • RadEn
after u got the value of sinB, take arc(sin) to get angle B and dont forget use ur calculator :)
anonymous
  • anonymous
@RadEn calculator is broken

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RadEn
  • RadEn
well, in my laptop it says the value of sin61 = 0.874
RadEn
  • RadEn
so, what 24 * 0.874° / 23 is = ...
anonymous
  • anonymous
@RadEn 0.912?
RadEn
  • RadEn
hehe, used calculator yea ?? :P
RadEn
  • RadEn
but, that's right
anonymous
  • anonymous
@RadEn no just used pen and paper
RadEn
  • RadEn
cool, it is hard for me :)
RadEn
  • RadEn
okay, then we have to fine angle B sinB = 0.192 B = arc(sin(0.192)) = 11.069 degrees = 11.07 deg (it is nearest)
RadEn
  • RadEn
*find
RadEn
  • RadEn
what's else ?
anonymous
  • anonymous
@RadEn find if there is one or two triangles
RadEn
  • RadEn
i think it is just one triangle, by verify the measure of angle C C = 180 - (A+B) C = 180 - (61+11.07) C = 180 - 72.07 C = 107.93 degrees only one possible for angle C
RadEn
  • RadEn
do u need the length of side c ??

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