c) 4
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
Left to Right
Equality Properties
Trigonometry
[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] cosθ = adjacent over hypotenuse
Step-by-step explanation:
Step 1: Identify Variables
Angle θ = 34°
Adjacent Leg = x
Hypotenuse = 4.8
Step 2: Solve for x
Substitute [Cosine]: cos34° = x/4.8Isolate x: 4.8cos34° = xRewrite: x = 4.8cos34°Evaluate: x = 3.97938Round: x ≈ 4