GeometryQuestion 447 of 550

The radii of two circles are in the ratio 2 : 3. What is the ratio of their areas?

  1. 2 : 3
  2. 8 : 27
  3. 4 : 6
  4. 4 : 9
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Correct answer: 4 : 9

Area is proportional to the square of the radius. 2² : 3² = 4 : 9.

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Questions last reviewed: 21 October 2026