Trigonometry bearing

Question

a hiker starts at a trailhead and walks 5.0 miles north, then 2.0 miles west. the trailhead is then s21.8 degree E of the hiker. how far is the hiker from the trailhead as the crow flies

Answer 1

Draw and label a diagram!

Label starting point A, turning point C, and ending point B

sin B = 0.5 / BA

sin 21.8° = 0.5 / BA

Can you complete and answer?