Seudónimo Seudónimo
  • 25-05-2018
  • Mathematics
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Help please on geometry

Help please on geometry class=

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Matheng
Matheng Matheng
  • 25-05-2018
The area of the sidewalk = total area of fountain and sidewalk - area of fountain
∴ The area of the sidewalk = π (r+w)² - πr²
r = 10 feet  ,  and   w = 5 feet
The area of the sidewalk = π (10+5)² - π*(10)² = 225 π - 100π = 125π ≈ 392.7 ft²




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