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Brut [27]
3 years ago
9

Can someone show the work on this problem

Mathematics
1 answer:
Masja [62]3 years ago
7 0

Answer:

4.69 in

Step-by-step explanation:

By sine rule:

\frac{ \sin \: 23 \degree}{a}  =  \frac{ \sin \: 90 \degree}{12}  \\  \\  \frac{ \sin \: 23 \degree}{a}  =  \frac{1}{12}  \\  \\ a = 12 \: \sin 23 \degree \\  \\ a = 12 \times 0.3907311285 \\  \\ a = 4.68877354 \\  \\ a \approx 4.69\: in

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