Can someone please tell me what an approximent equation best fits this picture using X and Y. Then input 10 for X and solve (this will get you Y). Please include both parts!

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Which of the following circles have their centers in the third quadrant? check all that apply.