November 6th, 2016, 05:53 AM  #1 
Newbie Joined: Nov 2016 From: Gujarat Posts: 3 Thanks: 1  Height and distance
A sphere of radius r is lying on a ground. The sphere makes an angle of measure 60° at point A on the ground,then the distance of the centre of the sphere from A is ______ ?

November 6th, 2016, 10:49 AM  #2  
Math Team Joined: Jul 2011 From: Texas Posts: 3,016 Thanks: 1600  Quote:
you have a sketch to clarify your problem statement?  
November 6th, 2016, 11:13 AM  #3 
Global Moderator Joined: Dec 2006 Posts: 20,968 Thanks: 2216 
On that basis, the answer would be r/sin(60°), which is 2r/√3, but a different interpretation would make the answer r/sin(60°/2), which is 2r.

November 6th, 2016, 11:39 AM  #4 
Math Team Joined: Jul 2011 From: Texas Posts: 3,016 Thanks: 1600 
either way, it's just a 306090 triangle problem ... unless the ground isn't level 

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distance, height 
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