Geometry Problem 1145: Three Squares, Midpoints, Mobile Apps. Level: School, College, Mathematics Education

< PREVIOUS PROBLEM | NEXT PROBLEM >

The figure below shows two squares A₁B₁C₁D₁ and A₂B₂C₂D₂. If A, B, C, and D are the midpoints of A₁A₂, B₁B₂, C₁C₂, and D₁D₂, respectively, prove that ABCD is a square.

$Geometry Problem 1145: Three Squares, Midpoints$

Art of Geometry Problem 1145 using Mobile Apps

Art of Geometry Problem 1145 in Motion

Click on the figure below.

A video posted by Antonio Gutierrez (@gogeometry1) on Jun 27, 2016 at 10:11am PDT

Add a Solution to the Problem 1145