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?

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## Solution

The green area is 4.

## Poem

The common ground

Each problem has its solution

Let’s work it out

Let’s be friendly in our

Relations

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