Parallelogram Area

Decomposição
Decomposition (To decompose figures can mean the separation of a shape into two or more nonoverlapping shapes.)
Parallelogram and Rectangle Equivalence (Check the "Hide / show triangle" box and move the point G so that H coincides with B. )
Analysis
Are the areas of the ABEC parallelogram and CDGE rectangle equal? Why?
Formula for the Paralellogram Area
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– Jorge Cássio

Information: Parallelogram Area