The symbol shown is a ray. A ray has an endpoint and includes all points on a line in only one direction. That is why the symbol above the letters XY has a single arrowhead. Ray XY starts at point X; it includes all points on line XY between X and Y, and also point Y and all points on the line past Y. It does not include any point past X going in the direction from Y to X.
Answer:
it's 0.198
Step-by-step explanation:
