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OpenStudy (anonymous):
Find y. http://roads.advancedacademics.com/contentserver/content/roadssection/279450/questions/assessments/t-righttrianglespythagoreantheoremquiz/geometry_4.3_quiz_11q.gif A. 4.5 B. 18 C. 9 D. 9√3
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OpenStudy (anonymous):
y = 18 is the answer
OpenStudy (anonymous):
\[\sin 30=\frac{ 9 }{ y}= y \sin 30=9 = y=\frac{ 9 }{ \sin 30 }= y= \frac{ 9 }{ 0.5 } = y = 18\]
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