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131Constructible polygon — Construction of a regular pentagon In mathematics, a constructible polygon is a regular polygon that can be constructed with compass and straightedge. For example, a regular pentagon is constructible with compass and straightedge while a regular… …
132Niagara Frontier Transportation Authority — NFTA redirects here. For Nondeterministic Finite Tree Automaton, see Tree automaton. For the North American trade agreement, see NAFTA. Niagara Frontier Transportation Authority Slogan Serving Buffalo Niagara Founded 1967 …