File:Equilateral pentagon triangulated.SVG

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English: An equilateral pentagon (all sides equal to 1) is dissected into three triangles. This process permits to calculate the values of three of the internal angles (gamma, delta and epsilon) as a function of the values of the first pair (alpha and beta). By the dissection, angle alpha, at lower left, was divided in two parts (one part in green triangle and the other in the blue triangle). By using trigonometric identities and imposing some restrictions, the three angles mentioned can be expressed as a function of only two angles, simplifying the equilateral pentagons analysis.
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Source Own work
Author Jorgeluismireles

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23 October 2008

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current01:18, 24 October 2008Thumbnail for version as of 01:18, 24 October 2008600 × 600 (21 KB)Jorgeluismireles{{Information |Description={{en|1=An equilateral pentagon (all sides equal to 1) is dissected into three triangles. This process permits to calculate the values of three of the internal angles (gamma, delta and epsilon) as a function of the values of the
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