Spiraling Triangles

Geometry Level 2

In the diagram above, each triangle is a right isosceles triangle. What is the value of \(y\) (in terms of \(x\))?

Note: An isosceles triangle is a triangle in which two of the sides have the same length.

Bonus: What would the value of the largest side be if the spiraling pattern of right isosceles triangles established in the diagram was continued to include 14 triangles?

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