The radius of the circle O is 2. The chord AB is e

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The radius of the circle O is 2. The chord AB is equal to the chord CD. Both of the distance from the 2 chords to point O are 1. The area range of the quadrilateral ABCD is ___.(英汉小词典:radius半径;chord弦;quadrilateral四边形)

难度:⭐⭐⭐

题库:高中,数学

标签:半径,英汉,词典

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