Celebrating Barbora Krejcikova’s birthday by revisiting an unforgettable moment: eight match points saved. | US Open Tennis Championships

mathswithmuza on Instagram: "A cone surface is created by taking a single straight line and sliding it so that one of its endpoints stays fixed while the other moves along a circular path. Because the line always pivots around the same point, the surface forms a smooth, slanted shape that narrows to a tip called the apex. What makes a cone surface interesting is that every point on it lies on some straight line that connects the apex to the circular boundary. This gives the cone a special kind o