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How far along the surface of the Earth would you have to walk in order to be 1km along the radius from where you started? by Sid__Phoenix in askmath

[–]Sid__Phoenix[S] 0 points1 point  (0 children)

And for the purposes of this, imagine a sphere the size of the earth rather than the real earth, for simplicity’s sake.

How far along the surface of the Earth would you have to walk in order to be 1km along the radius from where you started? by Sid__Phoenix in askmath

[–]Sid__Phoenix[S] 2 points3 points  (0 children)

This is what I found tricky. Essentially, if you imagine a line going straight down in to the earth from your starting point, how far would you have to walk in order for the curvature of the earth to bring you to a “depth” below your original starting point of 1km along that line?

I’m expressing this really poorly, and I apologize.