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Find the length of BC, to two decimal places. 

 Nov 23, 2020
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Find the length of BC, to two decimal places.

 

Hello Guest!

 

Sine law

\(\frac{8}{sin(180°-43°-61°)}=\frac{\overline{BC}}{sin(61°)}\)

\(\overline{BC}=\frac{8\cdot sin(61°)}{sin(180°-43°-61°)}\)

\(\overline{BC}=7.21\)

laugh 

 Nov 23, 2020
edited by asinus  Nov 23, 2020

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