Hex, Rhomb and Isosceles
Slightly generalized from this tessellation
https://robertlovespi.files.wordpress.com/2021/04/hexagons-and-golden-triangles-and-8496-rhombi.png
where Robert chose golden triangles.
Found at the 146th Playful Math carnival
https://findthefactors.com/2021/04/28/the-146th-playful-math-education-blog-carnival/
by Iva Sallay.
What's the relationship of the triangle's angles to the rhomb's?