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| Angle ADB = X = 90° |
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| Mauve Area = 72 |
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| Total Area / Mauve Area = 4.2360679775 |
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| X / Y = 0.366025403784 X / Y = 0.366025403784 ( Regression ) |
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| R₅ = 6 / 7 = 0.857142857143 |
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| α = ACB = 45 / 2 = 22.5 |
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| CE = X = 21 / 8 = 2.625 |
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| a / b depends on K or BOC |
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| α = DBE = 40, θ = DAE = 50 |
 |
| Square BDEF = 144 / 49 |
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