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What is the length of the radius of a circle if its area is 50 cm²?

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Question: What is the length of the radius of a circle if its area is 50 cm²?

Options:

  1. 5 cm
  2. 10 cm
  3. 7.07 cm
  4. 8.86 cm

Correct Answer: 7.07 cm

Solution: 

Using the area formula A = πr², we have 50 = πr², thus r² = 50/π, and r ≈ 7.07 cm.

What is the length of the radius of a circle if its area is 50 cm²?

Practice Questions

Q1
What is the length of the radius of a circle if its area is 50 cm²?
  1. 5 cm
  2. 10 cm
  3. 7.07 cm
  4. 8.86 cm

Questions & Step-by-Step Solutions

What is the length of the radius of a circle if its area is 50 cm²?
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