Mathematics, 08.07.2019 03:00, sregan07

The function a(r)=πr^2 may be used to find the area of a circle with radius r. find the area of a circle whose radius is 11 centimeters. me ! : (

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The function a(r)=πr^2 may be used to find the area of a circle with radius r. find the area of a ci...