The following pictures show n unit squares packed inside the smallest known pentagon (with side s).

1. | 2. | 3. | ||

s = cos(42°) / cos(18°) s = .781+ Trivial. | s = √(6/(3+√5)) s = 1.070+ Found by Erich Friedman in March 2012. | s = 1.143+ Found by Maurizio Morandi in August 2012. |

4. | 5. | 6. | ||

s = 1.199+ Found by Maurizio Morandi in July 2012. | s = 1 + 2sin(12°)/√3 s = 1.240+ Found by Erich Friedman in March 2012. | s = 3+3/√5-√(6+6/√5) s = 1.394+ Found by Maurizio Morandi in July 2012. |

7. | 8. | 9. | ||

s = 1.581+ Found by David W. Cantrell in July 2012. | s = 1.659+ Found by Maurizio Morandi in July 2012. | s = 1.767+ Found by DC after MM in August 2012. |

10. | 11. | 12. | ||

s = 30/(3+3√5+√(6(5+√5)) = 1.840+ Found by David W. Cantrell in July 2012. | s = 1.906+ Found by David W. Cantrell in July 2012. | s = 1.991+ Found by David W. Cantrell in August 2012. |

13. | 14. | |

s = 2.040+ Found by David W. Cantrell in August 2012. | s = (3+√(15–6√5))/2 = 2.129+ Found by Maurizio Morandi in September 2012. |