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A right-angled triangle has legs 8 cm and 15 cm. What is the radius of its incircle?

Competition practiceGeometry
  • A3 cm
  • B8.5 cm
  • C4 cm
  • D6 cm

Step-by-Step Solution

The hypotenuse is 17 cm. For a right triangle, cm. (8.5 cm is the circumradius.)
Answer: A) 3 cm

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