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Suppose the radius of a circle is 2 units. What is its circumference? Use 3.14 for pi and enter your answer as a decimal. units

Suppose the radius of a circle is 22 units. What is its circumference? \newlineUse 33.1414 for π \pi and enter your answer as a decimal.\newline□\square units

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Full solution

Q. Suppose the radius of a circle is 22 units. What is its circumference? \newlineUse 33.1414 for π \pi and enter your answer as a decimal.\newline□\square units
  1. Formula Explanation: To find the circumference, we use the formula C=2×π×rC = 2 \times \pi \times r, where CC is the circumference, π\pi is approximately 3.143.14, and rr is the radius.
  2. Plug in Values: Plug in the values: C=2×3.14×2C = 2 \times 3.14 \times 2.
  3. Multiplication: Do the multiplication: C=2×3.14×2=6.28×2C = 2 \times 3.14 \times 2 = 6.28 \times 2.
  4. Finish Calculation: Finish the calculation: C=6.28×2=12.56C = 6.28 \times 2 = 12.56.

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