GeometryQuestion 421 of 550

A circle has a radius of 14 cm. What is the length of an arc with a central angle of 90°? (π = 22/7)

  1. 44 cm
  2. 11 cm
  3. 22 cm
  4. 88 cm
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Correct answer: 22 cm

Circumference = 2 × (22/7) × 14 = 88 cm. The arc is a quarter of it = 22 cm.

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Questions last reviewed: 21 October 2026