Butterfly theorem
Theorem
Nº Q377047 ★★★
Rare · Knowledge
Butterfly theorem
Theorem
In Euclidean geometry, the butterfly theorem is a classical result which can be stated as follows: Let M be the midpoint of a chord PQ of a circle, through which two other chords AB and CD are drawn; AD and BC intersect chord PQ at X and Y correspondingly. Then M is the midpoint of XY.
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From Wikipedia
In Euclidean geometry, the butterfly theorem is a classical result which can be stated as follows: Let M be the midpoint of a chord PQ of a circle, through which two other chords AB and CD are drawn; AD and BC intersect chord PQ at X and Y correspondingly. Then M is the midpoint of XY.
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