a circle ring is an circle with diameter 21 m find the area of a
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Hey
Area of circle = pie)r^2
=22/7 ×21/2 ×21/2
=231×21/7
---HLP
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Area of Circle =πr^2
R=d/2=21/2=10.5m
Area of Circle =22/7*10.5*10.5=
Area=22*1.5*10.5=346.5m^2
R=d/2=21/2=10.5m
Area of Circle =22/7*10.5*10.5=
Area=22*1.5*10.5=346.5m^2
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