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 A different angle (Posted on 2003-10-10)
Look at this shape:

Assume AB = AF = FE = ED and BC = CD, and all the angles in the shape are 90 degrees.

Let A be the area of this shape (in cm^2), and P -- the perimeter of this shape (in cm).

If A - P is 60, what is the length of line AC?

 Submitted by Lewis Rating: 1.9167 (12 votes) Solution: (Hide) A solution by retarius can be seen here.

 Subject Author Date Puzzle Solution With Explanation K Sengupta 2007-05-20 15:16:30 answer K Sengupta 2007-05-19 23:06:49 is this a bit too easy? Terence 2005-10-15 04:18:32 sorryy vije 2004-07-07 13:44:26 caca solution vije 2004-07-07 13:42:35 Solution-20 secs of brain work!! abhishek 2004-03-25 10:47:38 No Subject sean 2003-10-22 15:43:12 Here's the answer ... Adrian Aisemberg 2003-10-19 09:21:32 Its been solved.... sean 2003-10-17 16:31:30 My solution J Miesch 2003-10-17 11:48:53 re: not too sure but i think i got it iggyb387 2003-10-15 20:23:34 not too sure but i think i got it iggyb387 2003-10-15 20:06:16 re(2): simply put sean 2003-10-15 11:54:57 re: simple... except you're wrong Gamer 2003-10-14 18:07:57 re: simply put sean 2003-10-14 16:43:52 re: Another note: nikki 2003-10-13 17:58:14 re: simple RoyCook 2003-10-13 12:55:06 simple bharath 2003-10-11 14:24:19 Another note: Gamer 2003-10-10 17:13:09 re: A different angle DJ 2003-10-10 09:31:00 simply put DJ 2003-10-10 09:20:37 A different angle Callum 2003-10-10 08:01:31 Solution retiarius 2003-10-10 08:00:44

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