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

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

Options:

  1. 10 cm
  2. 5 cm
  3. 20 cm
  4. 15 cm

Correct Answer: 10 cm

Solution: 

Area = πr² = 50π. Thus, r² = 50, r = √50 = 5√2 cm. Diameter = 2r = 10 cm.

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

Practice Questions

Q1
What is the length of the diameter of a circle if its area is 50π cm²?
  1. 10 cm
  2. 5 cm
  3. 20 cm
  4. 15 cm

Questions & Step-by-Step Solutions

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