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What is the length of the diameter of a circle if its circumference is 31.4 cm?

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Question: What is the length of the diameter of a circle if its circumference is 31.4 cm? (Use π = 3.14)

Options:

  1. 10 cm
  2. 5 cm
  3. 15 cm
  4. 20 cm

Correct Answer: 10 cm

Solution: 

The circumference C of a circle is given by C = πd. Therefore, d = C/π = 31.4/3.14 = 10 cm.

What is the length of the diameter of a circle if its circumference is 31.4 cm?

Practice Questions

Q1
What is the length of the diameter of a circle if its circumference is 31.4 cm? (Use π = 3.14)
  1. 10 cm
  2. 5 cm
  3. 15 cm
  4. 20 cm

Questions & Step-by-Step Solutions

What is the length of the diameter of a circle if its circumference is 31.4 cm? (Use π = 3.14)
No concepts available.
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