# Three Stacked Squares and a Fourth Square _Posted on Jan 12, 2020_ +-- {.image} [[ThreeStackedSquaresandaFourthSquare.png:pic]] > The three small squares each have area $4$. What's the total shaded area? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1216308670931271680) * [[three stacked squares and a fourth square techniques]] * [[three stacked squares and a fourth square solution]]