29. In ?ABC, AB = 5, AC = 4, and the measure of ?A is 50°. What is the area of ?ABC? (A) 6.0 (B) 6.4 (C) 7.7 (D) 10.0 (E) 11.9
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Step 1: Use the sine rule of area of a triangle, which states that the area of a triangle is equal to 1/2 times the product of two sides times the sine of the included angle between them. Show more…
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