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OpenStudy (anonymous):
A pile of 10 marbles forms a triangular pyramid. There are 6 marbles in the base layer, 3 in the middle layer and 1 in the top layer. each marble has a radius of 1 cm. What is the height of the pile of marbles?
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OpenStudy (anonymous):
Is it a square based pyramid?
OpenStudy (anonymous):
|dw:1383481038241:dw|
OpenStudy (anonymous):
I mean does it have a square in its base?
OpenStudy (anonymous):
|dw:1383481447435:dw|
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