a, b, c, d = symbols("a, b, c, d")
plot_geometry(
     (Polygon((a, b), c, n=d), "triangle"),
     (Polygon((a + 2, b + 3), c, n=d + 1), "square"),
     params = {a: 0, b: 1, c: 2, d: 3})
# Expected:
## Plot object containing:
## [0]: geometry entity: RegularPolygon(Point2D(a, b), c, d, 0)
## [1]: geometry entity: RegularPolygon(Point2D(a + 2, b + 3), c, d + 1, 0)