Answer:
∠ A ≈ 59.00°
Step-by-step explanation:
Using the sine ratio in the right triangle
sinA = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{BC}{AB}[/tex] = [tex]\frac{6}{7}[/tex] , then
∠ A = [tex]sin^{-1}[/tex] ([tex]\frac{6}{7}[/tex] ) ≈ 59.00° ( to the nearest hundredth )
