infinity in a mirror

How can the infinity be seen?

Or can infinite amount of an object be seen in real life?

What is infinity?

Infinity is a larger than anything that is fixed; it has special significance in areas such number theory, algebra and geometry. For instance, the list of whole numbers is 1,2,3,4,5,… Because it is always possible to add 1 to any whole number, the list is never ending. This experiment gives an impression of infinity as something that never ends. Infinity is sometimes represented by the symbol "∞"

1) If b = 180˚, then

2)If b = 120˚, then

3) If b = 90˚ , then

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4) If b = 72˚ , then

5) If b = 60˚ , then

6) If b = 0˚ , then

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And generally, for n is the number of reflection, 

b is the angle between the mirrors