Tag Archives: Visual Proof

Square within a square (method 2)

Posted on June 30, 2022 by Sumant Sumant
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All labeled trees on 4 vertices

Posted on July 28, 2021 by Sumant Sumant
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Fibonacci Numbers

Posted on July 28, 2021 by Sumant Sumant
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Hamiltonian Cycle Vs Eulerian Cycle

Posted on July 25, 2020 by Sumant Sumant

Here is a set of simple graphs which illustrate that one cannot predict if a given graph is Eulerian then it will imply Hamiltonian or vice a versa.

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Havel Hakimi Theorem

Posted on July 20, 2020 by Sumant Sumant

The purpose of Havel Hakimi Theorem is to find out if a given degree sequence of a graph is valid or not. Here is a visual way to see what happens in the algorithm when we delete a vertex.

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A Visual Proof of a Geometric Series

Posted on July 20, 2020 by Sumant Sumant

Here is a proof of series . I learned this proof in Visual Math by Starbird. Notice that if we add the  trapezoidal strips we can cover the whole area. The triangle in the trapezoidal strips is   the area. … Continue reading →

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Geometrical Construction of Golden Rectangle

Posted on July 17, 2020 by Sumant Sumant

This is an easy way to construct a golden rectangle. Notice how Pythagorean identity is use to construct a side of length and added to half of the unit square length using compass.

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