Answer:
x ≈ 14.30
General Formulas and Concepts:
Pre-Algebra
- Order of Operations: BPEMDAS
- Equality Properties
Trigonometry
- sin∅ = opposite over hypotenuse
Explanation:
Step 1: Define variables
∅ = 39°
opposite leg = 9
hypotenuse = x
Step 2: Solve for x
- Substitute: sin39° = 9/x
- Multiply x on both sides: xsin39° = 9
- Isolate x: x = 9/sin39°
- Evaluate: x = 14.3011
- Round: x ≈ 14.30