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Can someone help me please

measure of angle B = 37 degrees, a = 12, b = 15. Find the measure of angle A to the nearest degree.

Can someone help me please measure of angle B = 37 degrees, a = 12, b = 15. Find the-example-1

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Answer: 28.78

Explanation:


(\sin A)/(a)=(\sin B)/(b)\\\\ \sin A=(a \sin B)/(b)\\\\\sin A=(12 \sin 37^(\circ))/(15)\\\\\sin A=0.481452...\\\\A \approx 28.78^(\circ), 151.21^(\circ)

However, we disregard the second case, giving 28.78 degrees.

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