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Four Tangent Circles (Posted on 2003-10-20) Difficulty: 4 of 5
Four circles are tangent to each other and to a triangle that surrounds them, as shown in the figure. Each of the three circles in the corners have a radius of 1 cm. What is the radius of the circle in the middle?

No Solution Yet Submitted by Bryan    
Rating: 4.1429 (7 votes)

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  Subject Author Date
answerK Sengupta2007-05-19 23:12:05
SolutionExterior AngleBractals2004-08-12 02:06:55
Questionunique???Jim2004-08-11 08:58:55
re: not that dificult...karin2004-03-18 13:32:15
re: not that dificult...karin2004-03-18 13:32:15
not that dificult...karin2004-03-18 13:15:29
SolutionSolutionAntonio2003-12-02 01:11:36
SolutionSpreadsheet solutionCharlie2003-10-21 10:35:16
re: solutionBrian Smith2003-10-21 09:30:20
My solutionAshlee2003-10-21 05:18:23
re(2): solutionSilverKnight2003-10-20 22:54:07
re: solutionTristan2003-10-20 22:22:33
SolutionsolutionSilverKnight2003-10-20 18:23:10
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