Proof Without Words IV

Here’s an infinite geometric series followed by a visual proof:

[Source: Mathematics Magazine, Vol. 62, No. 5]


Previously on this blog, Proof Without Words I, II, and III.


One response to “Proof Without Words IV

  1. Reblogged this on Shane Dowd blogging on all things good and commented:
    As they say a picture paints a thousand words

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