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When is a Quadrilateral a Parallelogram?

When is a Quadrilateral a Parallelogram?

Description:This presentation illustrates the 5 ways in which to prove that a quadrilateral is a parallelogram. Each slide shows a quadrilateral that is also a parallelogram with 1 of the 5 criteria being met and highlighted.
Author:Laurie Wray
School:North Fort Myers High School
District:LEE
Florida county:Alachua County
Subject area:Mathematics
Grade levels:9-12
Keywords:Proof, geometry, Parallelogram, quadrilateral, parallel, congruent, angles
Media type:presentation
File size:94.5 KB
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