Find the length of BC, to two decimal places.
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Sine law
\(\frac{8}{sin(180°-43°-61°)}=\frac{\overline{BC}}{sin(61°)}\)
\(\overline{BC}=\frac{8\cdot sin(61°)}{sin(180°-43°-61°)}\)
\(\overline{BC}=7.21\)