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ASVAB Arithmetic Reasoning Questions

Category - Basic Math

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The radius of a circle is 3 cm. What is its circumference?
  1. 1.8 cm
  2. 84 cm
  3. 18.84 cm
  4. Not enough information to solve.
Explanation
Answer: C- If the radius of a circle is 3 cm, its circumference is approximately 18.84 cm. To get this answer, you multiply the radius by 2 in order to get the diameter. The formula for circumference is 3.14, or π, multiplied by diameter. 3.14 multiplied by 6 equals approximately 18.84 cm.
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