File talk:Quadrilaterals.svg
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Why should the first shape be a trapezium?? No parallel sides to me!Kipala (talk) 17:59, 17 April 2011 (UTC) How can we calculate the area of trapezoid? — Preceding unsigned comment added by 59.161.3.213 (talk) 16:13, 25 April 2012 (UTC)
