Solve the Triangle for the Indicated Angle $\theta :$ 40 $^\circ$ B)angle $\theta :$

Multiple Choice

Solve the triangle for the indicated angle.

A) angle $\theta :$ 40 $^\circ$
B) angle $\theta :$ 90 $^\circ$
C) angle $\theta :$ 140 $^\circ$
D) angle $\theta :$ 50 $^\circ$
E) angle $\theta :$ 130 $^\circ$