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Semicircles are drawn on all three sides of a right triangle with legs 6 cm and 8 cm, each side acting as a diameter. Find the total area of the three semicircles in . Take π = 3.14.

Competition practiceAreas & Volumes
  • A78.5
  • B39.25
  • C157
  • D62.8

Step-by-Step Solution

The hypotenuse is 10 cm. A semicircle on diameter has area (π/8), so the total = (π/8)(36 + 64 + 100) = (π/8)(200) = 25π = .
Answer: A) 78.5

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