find the area of a circle of a diameter 8.4 m
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area of a circle = pie r^2
=22/7×4.2×4.2
=55.44 m^2
=22/7×4.2×4.2
=55.44 m^2
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D=8.4
r=8.4/2=4.2
area=pie x r2
22x(4.2)2/7
=55.44cm2
r=8.4/2=4.2
area=pie x r2
22x(4.2)2/7
=55.44cm2
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