Answer:
x ≈ 4.8
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
Trigonometry
- [Right Triangles Only] SOHCAHTOA
- [Right Triangles Only] cos∅ = adjacent over hypotenuse
Step-by-step explanation:
Step 1: Identify Variables
Angle measure = 58°
Adjacent side of angle = x
Hypotenuse = 9
Step 2: Solve for x
- Substitute [cosine]: cos58° = x/9
- Isolate x: 9cos58° = x
- Evaluate: 4.76927 = x
- Rewrite: x = 4.76927
- Round: x ≈ 4.8