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A regular hexagon has sides of 8 cm. How long is its longest diagonal?

Competition practiceGeometry
  • A16 cm
  • B8√3 cm
  • C8 cm
  • D24 cm

Step-by-Step Solution

A regular hexagon splits into six equilateral triangles about its centre, so the longest diagonal passes through the centre and is twice the side: 16 cm.
Answer: A) 16 cm

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