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If a circle has an area of 50π cm², what is its diameter? (2020)

Practice Questions

1 question
Q1
If a circle has an area of 50π cm², what is its diameter? (2020)
  1. 10 cm
  2. 20 cm
  3. 5 cm
  4. 15 cm

Questions & Step-by-step Solutions

1 item
Q
Q: If a circle has an area of 50π cm², what is its diameter? (2020)
Solution: Area = πr², so r² = 50. Thus, r = √50 = 5√2 cm. Diameter = 2r = 10√2 cm ≈ 14.14 cm.
Steps: 0

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