GeometryQuestion 423 of 550

A ring lies between two circles with radii of 10 cm and 6 cm. What is the area of the ring?

  1. 16π cm²
  2. 100π cm²
  3. 36π cm²
  4. 64π cm²
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Correct answer: 64π cm²

Area = π(10² - 6²) = π(100 - 36) = 64π cm².

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Questions last reviewed: 21 October 2026