anaolsby22
anaolsby22 anaolsby22
  • 02-06-2021
  • Mathematics
contestada

Solve for angle A. Please help quickly !!

Solve for angle A Please help quickly class=

Respuesta :

jimrgrant1 jimrgrant1
  • 02-06-2021

Answer:

∠ A ≈ 75.7°

Step-by-step explanation:

Given

[tex]\frac{sinA}{8}[/tex] = [tex]\frac{sin58}{7}[/tex] ( cross- multiply )

7 × sinA = 8 × sin58° ( divide both sides by 7 )

sinA = [tex]\frac{8sin58}{7}[/tex] , then

∠ A = [tex]sin^{-1}[/tex] ([tex]\frac{8sin58}{7}[/tex] ) ≈ 75.7° ( to the nearest tenth )

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