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Aleonysh [2.5K]
3 years ago
6

Help please help with this question

Mathematics
2 answers:
Ulleksa [173]3 years ago
5 0
First you have to do puthagorean theorm to find the missing leg which is QR then to find sinS you go opposite over hypotenuse. simplify if needed.
siniylev [52]3 years ago
3 0
Sine is opposite/hypotenuse. Opposite of angle <em>S</em> is line <em>QR,</em> which is unknown. Therefore start with the Pythagorean Theorem to find <em>QR. </em>For simplicity, I'll use <em>x </em>as a variable for <em>QR.
</em><em> 
</em>x^{2}+60²=68²
x^{2}=68²-60²
x^{2}=4264-3600<em>
</em>x^{2}=1024
x=\sqrt{1024}
x=32

So <em>QR </em>is 32. Therefore, sin <em>S </em>is 32/68, which simplifies to 8/17.
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