Answer:
b ≈ 148.5
Step-by-step explanation:
Using the tangent ratio in the right triangle
tan68° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{b}{60}[/tex]
Multiply both sides by 60 to clear the fraction
60 × tan68° = b, thus
b ≈ 148.5 ( to 1 dec. place )
