1srry .... then..... i completely misunderstood it.......
3 tangents are drawn at random to a circle .the odds against the circle being inscribed in triangle formedby them is ________
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19 Answers
11are u sure abt d ans?????
the odds against the circle being inscribed in triangle formedby them ...........
read it carefully ..........
srry if i ve misunderstood d question
1answer is
we can seetangents are touching circle and inscribed b/w 2 triangles.
So odds are 6:2 (or) 3:1
13when 3 tangents are drawn at random to a circle then the probability that any two of then will be parallel tends to zero....
1see.. its enough to check if d two of d three tangents are parallel or not n find d prob fr dat..
13yes the another tangent should be in a specific point (among infine no. of points on the circle) ....just diametrically opposite to the other....so favourable case only one ...sample space infinity...
1don't u think that there are more chances for the two tangents to be of intersecting type !!
13probability of gettin d tangents parallel tends to zero i feel...
1sorry riddle... [6]
@ramkumar... most probably ur probability is more probable... [3] [3]
1find d probability dat i don go wron in dis prob...........................................;-)
1see riddles post stands useless there above...........
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1oops... i'm sorry...!!! :(
deleted d above post, to avoid confusion...!!!
1For the odds against the circle being inscribed in triangle formedby them is dat two of d tangents drawn must be parallel as scorpion said....
there fore d probability of gettin d tangents parallel be p=1/2
prob fr not gettin it parallel be q=1/2
n=3........
probability dat any two tangents bein parallel=3c2*(1/2)2*(1/2)1
=3/8