Respuesta :

Space

Answer:

C. 94.2 cm

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Geometry

  • Circumference: C = 2πr

Step-by-step explanation:

Step 1: Define

r = 15 cm

Step 2: Find C

  1. Substitute [C]:                       C = 2π(15 cm)
  2. Multiply:                                 C = 30π cm
  3. Multiply:                                 C = 94.2 cm

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