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Keywords: Secant-Secant Theorem.svg en wikipedia Andrei Stroe CommonsHelper 2007-01-10 Braindrain0000 wikipedia en Braindrain0000 Original upload log page en wikipedia Secant-Secant_Theorem svg 2007-01-10 02 50 Braindrain0000 300×300× 4491 bytes If two intersecting secants form angle A as shown the measure of angle A is equal to half the difference of the measures of the enclosed arcs BC and DE Circle geometry |