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OpenStudy (anonymous):
State whether the given measurements determine zero, one, or two triangles. B = 86, b = 21, c = 18. Is it two triangles?
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OpenStudy (yanasidlinskiy):
\(21\div \sin c =18\div \sin \left( 20 \right)\) first step
OpenStudy (anonymous):
1
OpenStudy (yanasidlinskiy):
then cross multiply the 2 proportions giving you.... 21sinc=18sin20
OpenStudy (yanasidlinskiy):
It is not one.
OpenStudy (anonymous):
it's one
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OpenStudy (yanasidlinskiy):
then divide both sides by 20 and you get 0.293 since the value is less than one the answer is 2 triangles
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