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Calcule a área do círculo que tem de diâmetro a 20cm
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Calcule a área do círculo que tem de diâmetro a 20cm

User Kcharwood
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1 Answer

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Area of circle is πr^2
Diameter is given =20 cm
Radius r=d/2=20/2=10cm
A=3.14×100
A=314 cm^2
User Alexander Simonchik
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