Posted by **tee** on Saturday, February 18, 2012 at 10:05pm.

the international space station orbits 350 km above earth's surface. earth's radius is about 6370 km.use the pythagorean theorem to find the distance from the space station to earth's horizon.

- math -
**drwls**, Saturday, February 18, 2012 at 10:37pm
sqrt[(6370+350)^2 -(6370)^2]

= 2140 km

The hypotenuse is 6720 and the radius (6370) from the center to the point of tangency is perpendicular to the earth's surface

- math -
**Reiny**, Saturday, February 18, 2012 at 10:37pm
let that distance be x

solve ...

x^2 + 6370^2 = 6720^2

( I got 2140.44)

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