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![[Post New]](/templates/default/images/icon_minipost_new.gif) 14 Mar 2008 20:08:10 IST
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The radius of the circle is equal to
a] 
b] 
c] 
d] 
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"I a universe of atoms.......an atom in the universe" |
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14 Mar 2008 20:14:20 IST
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14 Mar 2008 20:15:40 IST
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was it a guess?
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14 Mar 2008 20:16:45 IST
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Nope
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14 Mar 2008 20:19:08 IST
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method please.....
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14 Mar 2008 20:19:41 IST
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your ans is wrong.....
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14 Mar 2008 20:21:41 IST
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i just came to know that, what a silly mistake!!
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14 Mar 2008 20:21:58 IST
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well all im able to arrive is that the radius is the sum of the 2 left distances/2 i.e. from D to pt of tangency on c and A to pt of tangency on a
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14 Mar 2008 20:30:21 IST
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What do you mean by point of tangency on c?
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14 Mar 2008 20:32:47 IST
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since i wasnt able to draw any diagram, i made that crude statement. By point of tangency on c i meant the point where the tangent from D met the circle, which extended to C on th line segment of length c
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14 Mar 2008 20:42:19 IST
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what is another condition like perimeter or angle
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14 Mar 2008 20:48:51 IST
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2ac/a+c..
edited..this is diameter i 4got to devide by 2..
so ans is ac/a+c
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14 Mar 2008 20:53:33 IST
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c) ac/a+c
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14 Mar 2008 20:53:52 IST
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make rt triangle @ BC the legs are a-c and x+y where x+y corresponds to AD is.now thiis side BC we know in terms of x,y..from tangts from same pt r equal v know tht the length of this side = to c-x + a-y.. so square ul st away get x+y.. which is length of diameter
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14 Mar 2008 21:09:26 IST
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Hope this diagram helps computer 001 is correct i think!
Answer should be c
Please don't rate.
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