題目列表(包括答案和解析)
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如圖24—A—6,兩個同心圓,大圓的弦AB與小圓相切于點P,大圓的弦CD經(jīng)過點P,且CD=13,PC=4,則兩圓組成的圓環(huán)的面積是( )
A.16π B.36π C.52π D.81π
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