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August 2nd, 2016, 07:11 PM | #1 |
Newbie Joined: Aug 2016 From: Florida Posts: 1 Thanks: 0 | Geometry help please
A plane cuts sphere O in a circle ⊙P that has diameter 2√34. If the diameter of sphere O is 20, how far is the plane from O?
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August 2nd, 2016, 07:53 PM | #2 |
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada - The Forest City Posts: 7,913 Thanks: 1113 Math Focus: Elementary mathematics and beyond |
Hi Tae and welcome to the forum. You've got an isosceles triangle with equal sides 10 and "base" 2√34. Find the height and you've found your required distance. |
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Tags |
arcs, circle, geometry, sphere |
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