Answer:
x ≈ 5.5
Step-by-step explanation:
using the tangent ratio in the right triangle
tan70° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{15}{x}[/tex] ( multiply both sides by x )
x × tan70° = 15 ( divide both sides by tan70° )
x = [tex]\frac{15}{tan70}[/tex] ≈ 5.5 ( to the nearest tenth )
