ellahumphries100 ellahumphries100
  • 29-01-2021
  • Mathematics
contestada

The diagram shows a circle inside a square.
a O
16 cm
Work out the area of the circle.

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Аноним Аноним
  • 29-01-2021

Answer:

perimeter of circle=2πr

16=2πr

r=16/2π=8/πcm

now.

area of circle=πr²=π(8/π)²=π×64/π²=64/(22/7)=64×7/22=20.36cm²

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