/* Enter a point's x- and y-coordinates: 100.5 25.5 The point is in the triangle. Enter a point's x- and y-coordinates: 100.5 50.5 The point is not in the triangle. *//* Enter a point's x- and y-coordinates: 10/* Enter a point's x- and y-coordinates: 100.5 25.5 The point is in the triangle. Enter a point's x- and y-coordinates: 100.5 50.5 The point is not in the triangle. *//* Enter a point's x- and y-coordinates: 10