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What is the length of the radius of a circle if its area is 36π cm²?

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Question: What is the length of the radius of a circle if its area is 36π cm²?

Options:

  1. 6 cm
  2. 12 cm
  3. 18 cm
  4. 9 cm

Correct Answer: 6 cm

Solution: 

Using the area formula A = πr², we have 36π = πr², thus r² = 36, and r = 6 cm.

What is the length of the radius of a circle if its area is 36π cm²?

Practice Questions

Q1
What is the length of the radius of a circle if its area is 36π cm²?
  1. 6 cm
  2. 12 cm
  3. 18 cm
  4. 9 cm

Questions & Step-by-Step Solutions

What is the length of the radius of a circle if its area is 36π cm²?
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