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PLS HELP PLS

What is the equation for the red circle?
What is the equation for the blue circle?

PLS HELP PLS What is the equation for the red circle? What is the equation for the-example-1

1 Answer

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Red Perimeter= 4u X π= 4uπ

Blue Perimeter= u X π= uπ

Red Area= 2u X 2u X π= 4u2π

Blue Area= u X u X π= u2π

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