lilcutessarah8548 lilcutessarah8548
  • 18-10-2021
  • Mathematics
contestada

The area of a circle is 81.03cm2. Find the length of the radius rounded to 2 DP.

Respuesta :

juyue20050920 juyue20050920
  • 18-10-2021
A = Pi * r^2

81.03 = Pi * r^2

r = 5.08
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