Creativity Booster

In geometry a quadrilateral is a four-sided polygon, having four edges and four corners. The word is derived from the Latin words "quadri", a variant of four, and latus, meaning "side". This is a summary of "Definitions of Quadrilaterals" using a foldable wheel.

During these hard times, we are in need for something exciting and special to welcome the holy month Ramadan. I'm glad to upload these special greeting cards (that depend on the math lessons learned) to welcome Ramadan.