New servers, hooraaaay! More bandwidth, more power.
Method shown herehttps://studentforums.biz/index.php/topic,5560.0.html
Hence lines are at right angles with the right angle at Rhence St is a diamterST=sqrt((-6-2)^2+(1-1)^2)=8radius =8/2=4centre at(S+T)/2=((2,1)+(-6,1))/2=(-2,1)