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The three sides of a right-angled triangle are consecutive even numbers of centimetres. What is the perimeter of the triangle?

Competition practiceGeometry
  • A12 cm
  • B48 cm
  • C24 cm
  • D30 cm

Step-by-Step Solution

Let the sides be and , with the largest as hypotenuse. Then , so , giving and . The sides are 6, 8 and 10 cm, so the perimeter is 24 cm.
Answer: C) 24 cm

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