What is the measure of ∠J to the nearest degree?
45°
55°
70°
83°
7 / sin(80) = 5 / sin(J)
7 / 0.9848 = 5 / sin(J) cross multiply
7*sin(J) =0.9848*5
7*sin(J) =4.924 divide both sides by 7
sin(J) =4.924 / 7
J = Arcsin(4.924 /7) =44.70 = ~45 degrees.
