Answer:
A = 48 cm²
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Explanation:
Step 1: Define
A = πr²
Radius r = 4 cm
Step 2: Solve for A
- Substitute in variables [Area Formula]: A = π(4 cm)²
- [Area] Evaluate exponents: A = π(16 cm²)
- [Area] Substitute in π: A = 3(16 cm²)
- [Area] Multiply: A = 48 cm²