How to place five coins in such a way that each coin touch each other? It is quite easy to place four coins in such a way that each penny touches every other one. Just place three of them on the table in the form of a triangle so that they touch one another, and then lay the fourth coin on top of this triangle - as shown in the following figure on the far left.

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PLEASE SHOW THE FIGURE

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2015-11-12T19:27:20+05:30
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