At the Vertex of a Tiling of the Plane There

question 52

Short Answer

At the vertex of a tiling of the plane there is a regular octagon, a square, and one other regular polygon. Which regular polygon is it?

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Definitions:

Interest Rate

The cost of borrowing money or the reward for saving, typically expressed as a percentage of the principal amount annually.

Equilibrium Rate

The price or level at which supply and demand in a particular market are equal.

Usury Law

Legislation designed to regulate interest rates by setting a maximum rate that can be charged on loans and credit.

Interest Rate

The cost of borrowing money, expressed as a percentage of the amount loaned, which lenders charge borrowers or the rate earned by depositors.