June 10th, 2017, 12:45 PM  #1 
Newbie Joined: Jun 2017 From: Tbilisi Posts: 2 Thanks: 0  Desperate to solve this Radius is 10 cm, <APB = 60° and I have to find PA, PB and AB. I've tried a lot of stuff but always ended up in a dead end. I know that the answer is (300√3  100π)/3. I somehow always ended up with answer  100π, I'm probably missing a simple thing, but I've been trying to solve this for 23 hrs by now. Last edited by skipjack; June 10th, 2017 at 05:39 PM. 
June 10th, 2017, 05:31 PM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,805 Thanks: 1045 Math Focus: Elementary mathematics and beyond 
Is there a diagram that goes with this?

June 10th, 2017, 05:54 PM  #3 
Math Team Joined: Jul 2011 From: Texas Posts: 2,750 Thanks: 1400  

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