Please Solve this. Urgent please
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Area of circle = πr^2
area of cirle - area of ring= area left for the audience
π30^2 = 3.14×30^2
=3.14×900
=2826m^2
π10^2= 3.14×10^2
=3.14×100
=314m^2
=2826-314=2512m^2
area of cirle - area of ring= area left for the audience
π30^2 = 3.14×30^2
=3.14×900
=2826m^2
π10^2= 3.14×10^2
=3.14×100
=314m^2
=2826-314=2512m^2
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