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.