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The diameter of a circle is 4 miles. What is the circle's circumference?
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The diameter of a circle is 4 miles. What is the circle's circumference?

User Watt Iamsuri
by
5.1k points

1 Answer

5 votes

Answer:

C ≈ 12.56 mi

General Formulas and Concepts:

Pre-Alg

  • Order of Operations: BPEMDAS

Geometry

  • Diameter: d = 2r
  • Circumference: C = 2πr

Explanation:

Step 1: Define

d = 4

Step 2: Find Circumference

  1. Rewrite formula: C = πd
  2. Substitute: C = 4π
  3. Evaluate: C ≈ 12.56
User Thedward
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