Use the law of tangents to find the measures of the unknown angles of ∆ABC. Then use the law of sines to the find the length of the unknown side. Express angle measures to the nearest degree and lengths to two significant digits.
6. ∠A = 47°, ∠B = 29°, a + b = 49
7. ∠A = 37°, ∠B = 62°, a + b = 76
6. ∠A = 47°, ∠B = 29°, a + b = 49
7. ∠A = 37°, ∠B = 62°, a + b = 76
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