If the circumference of a circle is 154, its radius is approximately ?

Maths / Quantitative Reasoning — Multiple-choice practice

  1. A. 21 cm
  2. B. 24.5 cm
  3. C. 14 cm
  4. D. 28 cm

Correct answer

24.5 cm

Explanation

Explanation To find the radius from the circumference of a circle, use the formula: C = 2πr Given: C = 154 Step 1: Solve for r r = C / (2π) = 154 / (2 × 3.14) = 154 / 6.28 ≈ 24.52

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