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March 13th, 2013, 09:51 AM  #1 
Senior Member Joined: Sep 2011 Posts: 395 Thanks: 0  Perimeter of a Sector
Just a quick question, here. I think the books final answer may be incorrect, but can anyone help me confirm if that is the case. Many thanks. Q. The perimeter of a sector of a circle of radius r is 8 cm. Express in terms of r , where is the angle of the sector in radians. Attempt: Perimeter of a circle: Answer: (From text book): 
March 13th, 2013, 10:13 AM  #2 
Math Team Joined: Nov 2010 From: Greece, Thessaloniki Posts: 1,990 Thanks: 133 Math Focus: pre pre pre pre pre pre pre pre pre pre pre pre calculus  Re: Perimeter of a Sector [color=#000000]I get the same result, .[/color] 
March 13th, 2013, 10:30 AM  #3 
Senior Member Joined: Sep 2011 Posts: 395 Thanks: 0  Re: Perimeter of a Sector
Thanks for checking that.


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