# Quadrilateral from Two Squares in a Square _Posted on Oct 30, 2018_ +-- {.image} [[QuadrilateralfromTwoSquaresinaSquare.png:pic]] > Join the four points where the inner squares touch the outer square to make a quadrilateral. What’s its area? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1057343175260602368) * [[quadrilateral from two squares in a square techniques]] * [[quadrilateral from two squares in a square solution]]