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SSC CHSL 2020 · PYQ · Mensuration (Circle) · medium

A chord of length 24 cm is at a distance of 5 cm from the centre of a circle. What is its area?

  1. A.531.14 cm²✓ Correct
  2. B.389.28 cm²
  3. C.120 cm²
  4. D.480.67 cm²

Explanation

The radius = √(12² + 5²) = √169 = 13 cm. Area = π × 13² = 169π ≈ 531.14 cm².
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