was wondering today how far you could see to the horizon for different heights
off the water....Drew the earth, did a SQ and drew a 6' vertical line, and then
ST'd a line from that...when I try to zoom in on the vertical line, the circle
disappears, I tried selecting the vert line and then "zoom selected"...I can see
the line, but not circle...any ideas why? thanks in advance....(btw I found a
website that calculates it anyway....)
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