document.write( "Question 851763: I have a circle of which I know the center (0,0), the radius (360) and two dynamic coordinates ((x1,y1) & (x2,y2)).
\n" ); document.write( "What I need to be able to figure out (as both(x,y) coordinates are moveable) is the mid-point coordinates along the arc.
\n" ); document.write( "To clarify: the mid-point coordinate along the ARC, not the line! \n" ); document.write( "

Algebra.Com's Answer #512982 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Polar coordinates might work better here.
\n" ); document.write( "R is always the same, only theta changes.
\n" ); document.write( " $\"T%5B1%5D=tan%5E%28-1%29%28y1%2Fx1%29\"$
\n" ); document.write( " $\"T%5B2%5D=tan%5E%28-1%29%28y2%2Fx2%29\"$
\n" ); document.write( " $\"T%5Bm%5D=%28T%5B1%5D%2BT%5B2%5D%29%2F2\"$
\n" ); document.write( " $\"x%5Bm%5D=R%2Acos%28T%5Bm%5D%29\"$
\n" ); document.write( " $\"y%5Bm%5D=R%2Asin%28T%5Bm%5D%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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