Question

which equation can be used to solve for b? mark this and return

Explanation:

Step1: Identify right triangle sides

Right-angled at C; angle A=30°, opposite=BC=5cm, adjacent=AC=b.

Step2: Apply tangent ratio

tan(angle)=opposite/adjacent → tan(30°)=5/b.

Answer:

A. tan(30°) = 5/b