Multicoloured pentangle in a red circle. Rhombuses form two levels of petals growing outward, forming a decagon. Show that the opposite sides of the two interleaved pentagons are equal in pairs and also equal and parallel to the sides of the pentangle.
Categories
The pentangle flower
![The pentangle flower](https://mirangu.com/wp-content/uploads/2023/08/PentangleFlower.jpg)