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Pentagonal tiling 12

A pentagonal tiling which vertices are labeled/labelled A, B, C, D and E.
A^=90°\hat{A} = 90\degree
2B^+C^=360°2\hat{B} + \hat{C} = 360\degree
C^+E^=180°\hat{C} + \hat{E} = 180\degree
(2D^+E^=360°)\left(2\hat{D} + \hat{E} = 360\degree\right)
2AE=CD=BC+DE2\overline{AE} = \overline{CD} = \overline{BC} + \overline{DE}

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