meredith48034 meredith48034

19-05-2021
Mathematics

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

Find the measurement indicated Round your answer to the nearest tenth NO LINKS class=

Respuesta :

maggielee724 maggielee724

19-05-2021

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 = [tex]sin^{-1}[/tex](sin (97°) × 15/23.22708085)

=> A ≈ 39.865

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