: Mathematics: golden triangle

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golden triangle

A golden triangle, also called a sublime triangle, is an isosceles triangle in which the duplicated side is in the golden ratio ${\\displaystyle \\varphi }$ to the base side:

${\\displaystyle {a \\over b}=\\varphi ={1+{\\sqrt {5}} \\over 2}\\approx 1.618~034~.}$

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