Circle Circle...

Circle...Circle...
who r actually....
i think i have a BIG BIG GAP with u lar...
when i saw the ques of u...
i cant do at all lar....
y r u so complicated???
summore the ques is 7 or 8 marks!!!!
wat two circles intersect lar...
1 big 1 small...
wat tangent lar...
haiz...
stil duno u...
although i know since form 2...(i think so)...
but i stil have a gap wit u lar...
who invented u??
who discovered u???

i feel like an idiot when i amtyping this post....
-DONE-