The common ground

Two squares share a vertex. Two other vertices are 4 units apart. A third green square has the centres as opposite vertices. What is its area?

Scroll down for a solution to this problem.


The green area is 4.

Solution by ohmohm.


The common ground
Each problem has its solution
Let’s work it out
Let’s be friendly in our
And with others graciously
Standing together
Less jalousy
Stop the matters between us
Let’s find the balancing point
Two hearts are better than one
Let’s find a common ground


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