Question

Find the measurement indicated. Round your answer to the nearest tenth. NO LINKS!!​

Answer 1

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 = $sin^{-1}$(sin (97°) × 15/23.22708085)

=> A ≈ 39.865