Question 1132719
<pre>{{{drawing(200,200,-7,7,-7,7,
line(-6,-6,-6,6),
line(-6,6,6,6),
line(6,6,6,-6),
line(-6,-6,6,-6),locate(-7.05,0,s),locate(0,7.3,s),
line(-6,-6,6,6), locate(0,0,12), locate(0,-6,s), locate(6.2,.2,s)
 )}}}{{{drawing(200,200,-7,7,-7,7,


line(6,6,6,-6),
line(-6,-6,6,-6),
line(-6,-6,6,6), locate(0,0,12), locate(0,-6,s), locate(6.2,.2,s)
 )}}}{{{matrix(7,1,

s^2+s^2=12^2,
2s^2=144,
s^2=72,
s=sqrt(72),
s=sqrt(36*2),
s=sqrt(36)*sqrt(2),
s=6sqrt(2) )}}}

Edwin</pre>