Answer:
C = 188.4 cm
General Formulas and Concepts:
Math
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Geometry
Circumference Formula: C = 2πr
- C is circumference
- r is radius
Explanation:
Step 1: Define
Radius r = 30 cm
Step 2: Solve for C
- Substitute in r [Circumference Formula]: C = 2π(30 cm)
- [Circumference] Multiply: C = 60π cm
- [Circumference] Multiply: C = 188.4 cm