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A square lawn of side 28 has a quarter-circle flower bed of radius 14 cut at each of its four corners, each bed lying inside the lawn. Find the area of grass left in . Take π = 22/7.

Competition practiceAreas & Volumes
  • A616
  • B196
  • C448
  • D168

Step-by-Step Solution

The four quarter circles of radius 14 together make one full circle of area . Lawn area = . Grass left .
Answer: D) 168

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