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September 9th, 2010, 12:12 PM   #1
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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???
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September 9th, 2010, 12:19 PM   #2
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Re: IM STUCK PLZ HELP...

Imagine slicing the pyramid in half along a diagonal of the square base. You will have a triangular cross-section. How can you find the length of the base of this triangle?
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