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A circle has a radius of 12 cm. What is the diameter? (2020)

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Question: A circle has a radius of 12 cm. What is the diameter? (2020)

Options:

  1. 6 cm
  2. 12 cm
  3. 24 cm
  4. 18 cm

Correct Answer: 24 cm

Exam Year: 2020

Solution: 

Diameter = 2 * radius = 2 * 12 = 24 cm.

A circle has a radius of 12 cm. What is the diameter? (2020)

Practice Questions

Q1
A circle has a radius of 12 cm. What is the diameter? (2020)
  1. 6 cm
  2. 12 cm
  3. 24 cm
  4. 18 cm

Questions & Step-by-Step Solutions

A circle has a radius of 12 cm. What is the diameter? (2020)
  • Step 1: Understand that the diameter of a circle is twice the length of the radius.
  • Step 2: Identify the radius given in the question, which is 12 cm.
  • Step 3: Use the formula for diameter: Diameter = 2 * radius.
  • Step 4: Substitute the radius into the formula: Diameter = 2 * 12.
  • Step 5: Calculate the result: 2 * 12 = 24 cm.
  • Circle Properties – Understanding the relationship between radius and diameter in a circle.
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