The formula given is the correct one for calculating distances when moving across the surface of a sphere. Try the Pythagorean Theorem in Antarctica and you’re probably going to die.

# Defribillators puzzle discussion

**LearningCsharp**#331

Not sure why there’s soo much math involved? in the real world these calculations are given to you? I spent alot of time on the math and less on the coding concept for this exercise

**magetwo**#332

Description of this is wrong.

Section Game Input > first line is latitude - not longitude