Which number is a solution of the inequality x less-than negative 4? Use the number line to help answer the question.
1 answer:
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Answer:
m∠A ≈ 39.865°
Step-by-step explanation:
C² = 16² + 15² - 2 × 16 × 15 × cos (97°)
=> C = 23.22708085
sin (97°)/23.22708085 = sin A/15
=> sin A = sin (97°) × 15/23.22708085
=> A = (sin (97°) × 15/23.22708085)
=> A ≈ 39.865