How Far Can You See?
The diagram below shows how the height of an object (the red dot) affects how much of the Earth can be seen from the object. The red dot (which could represent a satellite, for example) can be moved to change its height.
Interior Angles of Regular Polygons
copy an angle
Reflect Points Y Axis
testfileTue Nov 13 21:01:15 CET 20180.0338087314839316