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If the diameter of a circle is 14 cm, what is the circumference? (Use π = 22/7)

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Question: If the diameter of a circle is 14 cm, what is the circumference? (Use π = 22/7)

Options:

  1. 44 cm
  2. 28 cm
  3. 22 cm
  4. 14 cm

Correct Answer: 44 cm

Solution: 

Circumference = πd = (22/7) * 14 = 44 cm.

If the diameter of a circle is 14 cm, what is the circumference? (Use π = 22/7)

Practice Questions

Q1
If the diameter of a circle is 14 cm, what is the circumference? (Use π = 22/7)
  1. 44 cm
  2. 28 cm
  3. 22 cm
  4. 14 cm

Questions & Step-by-Step Solutions

If the diameter of a circle is 14 cm, what is the circumference? (Use π = 22/7)
  • Step 1: Identify the formula for circumference of a circle, which is Circumference = π * diameter.
  • Step 2: Note the given diameter of the circle, which is 14 cm.
  • Step 3: Substitute the value of π with 22/7 in the formula.
  • Step 4: Substitute the diameter (14 cm) into the formula: Circumference = (22/7) * 14.
  • Step 5: Calculate the multiplication: (22/7) * 14 = 22 * 2 = 44.
  • Step 6: Conclude that the circumference of the circle is 44 cm.
  • Circumference of a Circle – The circumference of a circle is calculated using the formula C = πd, where d is the diameter.
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