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September 9th, 2010, 11:12 AM  #1 
Newbie Joined: Sep 2010 Posts: 4 Thanks: 0  IM STUCK PLZ HELP...
a pyramid stands on a square base of sides 8.6 cm each.the height of pyramid is 7 cm.find the sloping edge???

September 9th, 2010, 11:19 AM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 463 Math Focus: Calculus/ODEs  Re: IM STUCK PLZ HELP...
Imagine slicing the pyramid in half along a diagonal of the square base. You will have a triangular crosssection. How can you find the length of the base of this triangle?


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