Shortest Distance on Earth's Surface Between Two Locations Parallax Angle AB (Montreal, Canada to Selsey, UK) 5 220 km 0.71530 AC (Montreal, Canada to Montevideo, Uruguay) 9 121 km 1. 1890 BC (Selsey, UK to Montevideo, Uruguay) 10 967 km 1.3840 ? What is the most accurate method to determine the distance between the Moon and Earth, from the given data? A. Sketch a triangle with the Moon and locations A and B as the vertices. Label all the given angles and distances. What kind of triangle do you have? Task | Checklist B. Determine all unknown sides to the nearest kilometre and angles to the Did you draw the correct nearest thousandth of a degree. How far, to the nearest kilometre, is the sketches? Moon from either Montreal or Selsey? Did you show your work? C. Repeat parts A and B for locations B and C, and for A and C. Did you provide appropriate D. On October 28, 2004, the Moon was about 391 81 1 km from Earth (surface reasoning? to surface). Calculate the relative error, to the nearest tenth of a percent, for Did you explain your all three distances you calculated. thinking clearly? Which of your results is most accurate? What factors contribute most to the error in this experiment