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 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
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Quote:
 Originally Posted by Neel 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 ______ ?
maybe the center of the sphere makes an angle of measure $60^\circ$ with point A relative to the ground?

you have a sketch to clarify your problem statement?

 November 6th, 2016, 11:13 AM #3 Global Moderator   Joined: Dec 2006 Posts: 20,480 Thanks: 2039 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: 2,886 Thanks: 1505 either way, it's just a 30-60-90 triangle problem ... unless the ground isn't level

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