GeometryQuestion 431 of 550

A circle has an area of 154 cm². What is its radius? (π = 22/7)

  1. 14 cm
  2. 22 cm
  3. 49 cm
  4. 7 cm
Show answer

Correct answer: 7 cm

r² = 154 × 7 ÷ 22 = 49. So r = 7 cm.

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Questions last reviewed: 21 October 2026