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Find the length of BC to the nearest teeth of a foot.

Find the length of BC to the nearest teeth of a foot.-example-1
User Sajattack
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1 Answer

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Determine the length of BC by using trigonometry for the angle A.


\begin{gathered} \sin 64=(BC)/(AB) \\ 0.899=(x)/(2.7) \\ x=2.7\cdot0.899 \\ =2.4273 \\ \approx2.4 \end{gathered}

So answer is 2.4 foot.

User Astre
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