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November 15th, 2014, 02:54 AM  #1 
Member Joined: Nov 2014 From: Australia Posts: 38 Thanks: 0  Circle and Triangle Problem
Please see the two attachments for the question and answer. I have solved part a and b. I do not know how to obtain answers for part c and d. Could someone give me some help please? 
November 15th, 2014, 04:41 AM  #2 
Math Team Joined: Jul 2011 From: Texas Posts: 2,947 Thanks: 1552 
If arc AP = 1, then $\displaystyle \theta$ = 1 radian

September 6th, 2015, 01:04 AM  #3 
Senior Member Joined: Sep 2015 From: 4th Dimension Posts: 146 Thanks: 13 Math Focus: Everything (a little bit) 
It's quite easy. As pi =180°, (pi/pi)=1=180°/3.14=57.3° Last edited by skipjack; September 6th, 2015 at 01:54 AM. 

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