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Mathematics, 21.02.2021 14:00 skybrinson04

If a line intersects two concentric circles ( circles with the same center ) with center O at A, B, C and D, then prove that AB=CD​


If a line intersects two concentric circles ( circles with the same center ) with center O at

A,

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If a line intersects two concentric circles ( circles with the same center ) with center O at A, B,...
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