My Math Forum Circle and Triangle Problem
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 Pre-Calculus Pre-Calculus Math Forum

November 15th, 2014, 02:54 AM   #1
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Joined: Nov 2014
From: Australia

Posts: 38
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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?
Attached Images
 Untitled picture.jpg (16.0 KB, 12 views) 2.png (5.2 KB, 2 views)

 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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