Question

In the triangle shown, m/C= 38° and c = 22 mi. Which equation shows how the Law of Sines can be used to find a?
(1 point)
sin 90°
sin 52°
22 mi.
a
sin 52°
sin 38°
22 mi.
a
sin 38°
sin 90°
22 mi.
a
sin 38°
sin 52°
22 mi.
a

Answer 1

Use the Law of Sines: a/sin A = c/sin C. Here A = 90° and C = 38°, c = 22, so

a/sin 90° = 22/sin 38°,

which is equivalent to sin 38°/sin 90° = 22/a.