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Please help fast! A=?

Please help fast! A=?-example-1

1 Answer

3 votes

Answer: 77 degrees

Explanation:

By the law of sines,


(\sin 13^(\circ))/(6)=(\sin A)/(26)\\\sin A=(26 \sin 13^(\circ))/(6)\\A=\sin^(-1) \left((26 \sin 13^(\circ))/(6) \right) \approx 77^(\circ)

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