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what did u do in C1 and c2

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sweetest angel:
waaaaaahhhh
coordinates for A and B had like 6 marks...shushu since it was easyy 4 u can u plz xplain :/

Dreams <3:
i did great in c1 =) didnt take c2

shushuIG:

--- Quote from: sweetest angel on January 13, 2010, 02:41:48 pm ---waaaaaahhhh
coordinates for A and B had like 6 marks...shushu since it was easyy 4 u can u plz xplain :/

--- End quote ---
ok so N was (2,-1) ok
then the radius was 6.5
u join AN and NB to form a triangle then  if u draw a perpendicular line from N to AB then u will have the height which u find by pythagoras theorem it is found to be equal to 2.5
now to find co-ordinates of A, A is 6 units to the left of N there fore x= 2-6=-4
y=-1-2.5=-3.5
to find co-ordinates of B,
x= 2+6=8
y=same as A= -3.5
i hope u understood this, and i hope it cleared ur doubt best of luck!

pranitsad:
i just took c1 exam it went fabulous.. right now, working on c2 n it is really easy if you can understand the concepts.

cheers,
pranitsad.

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