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If the diameter of a circle is 12 cm, what is the circumference? (2019)

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Question: If the diameter of a circle is 12 cm, what is the circumference? (2019)

Options:

  1. 12π cm
  2. 24π cm
  3. 6π cm
  4. 36π cm

Correct Answer: 24π cm

Exam Year: 2019

Solution: 

Circumference = πd = π(12) = 12π cm.

If the diameter of a circle is 12 cm, what is the circumference? (2019)

Practice Questions

Q1
If the diameter of a circle is 12 cm, what is the circumference? (2019)
  1. 12π cm
  2. 24π cm
  3. 6π cm
  4. 36π cm

Questions & Step-by-Step Solutions

If the diameter of a circle is 12 cm, what is the circumference? (2019)
  • Step 1: Understand that the diameter of the circle is given as 12 cm.
  • Step 2: Recall the formula for the circumference of a circle, which is Circumference = π × diameter.
  • Step 3: Substitute the diameter value into the formula: Circumference = π × 12 cm.
  • Step 4: Simplify the expression to get Circumference = 12π 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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