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What is QR? thanks in advance!
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What is QR? thanks in advance!

What is QR? thanks in advance!-example-1
What is QR? thanks in advance!-example-1
What is QR? thanks in advance!-example-2
User Deepak Kaku
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1 Answer

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Use trigonometric function:


\sin51^o=(|QR|)/(17)\\\\\sin51^o\approx0.7771\\\\(|QR|)/(17)=0.7771\ \ \ \ |\cdot17\\\\|QR|=13.2107\to|QR|\approx13.2\ cm
User Icky
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