ascent4cat : Message: pls help me with this problem

ascent4cat · 2IIM Prep for IIM's CAT 2009

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pls help me with this problem

Message #3523 of 3674 |

pls help me with this problem

How many circles of radius r can be arranged around a circle of radius r so that all the circles can touch the central circle?

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Thu May 28, 2009 2:07 pm

sharada sahoo <rockingpinku@...>

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Message #3523 of 3674 |

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There are many situations I can give 1. A=45, B=135 2. A=0, B=180 3. A=30, B=150 All the above do not give sec A + sec B =1 Following is the solution: 1....	Rahil Sahu rahilsahu	Mar 30, 2009 9:14 am
How many circles of radius r can be arranged around a circle of radius r so that all the circles can touch the central circle? Explore and discover exciting...	sharada sahoo rockingpinku	Jun 15, 2009 6:09 am
The answer is 6. Explaination - Take 2 adjacent exterior circles & the inner circle. Join their centres. You will get an equilateral triangle of each edge...	Rahil Sahu rahilsahu	Jul 16, 2009 10:36 am
Hello Sharda, Answer is 6. For solution see the attached file... Regards, Vimlesh ________________________________ From: sharada sahoo...	vimlesh patelia vimlesh_21mech	Jul 16, 2009 10:36 am
... 6 circles. first draw one circle. then using trigonometry find the max angle its diameter subtends at centre(Max will be when we chose a diameter formed by...	rubbal_sidhu	Jul 20, 2009 1:58 pm
circumference outer circles can cover = 2 pi (2r) (twice radius) = 4 . pi. r outer circle diameter will lie on this circumference, n . 2 . r < 4 . pi . r n <...	Haneef Mohammad haneef174	Jul 23, 2009 10:13 am
Hi haneef, could you kindly elaborate on "outer circle diameter will lie on this circumference, n . 2 . r < 4 . pi . r" ? ... From: Haneef Mohammad...	Abhinav Deep abhinav.deep...	Aug 10, 2009 10:10 am

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