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October 30th, 2012, 05:05 AM  #1 
Senior Member Joined: Apr 2012 Posts: 799 Thanks: 1  area of the green section
eight squares (side length 1) put together, please find the area of the green section [attachment=0:gsh3zdan]area of green section .jpg[/attachment:gsh3zdan] 
October 30th, 2012, 07:17 AM  #2  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 407  Re: area of the green section Hello, Albert.Teng! Quote:
Draw Note that they all have length 2. [color=beige]. . . . . . . . . . . [/color] [color=beige]. . . . . . . . . . . [/color] I see that LaTeX is still misspelling my words. So I have to take heroic measures to overcome it.  
October 30th, 2012, 09:47 AM  #3 
Global Moderator Joined: Dec 2006 Posts: 19,059 Thanks: 1619 
What difficulty occurred with LaTeX? It seemed to work for me.

October 30th, 2012, 08:04 PM  #4 
Senior Member Joined: Apr 2012 Posts: 799 Thanks: 1  Re: area of the green section
the area of the green section is the same as the area of a sector with radius 2 and central angle : so the area is : [attachment=0:ke4xayyo]area of green section~.jpg[/attachment:ke4xayyo] 

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