nae121 nae121
  • 23-02-2017
  • Mathematics
contestada

Cannonballs are stacked in a pyramid shape with a triangular base of 5 cannonballs on a side. How many cannonballs in all are in the stack?

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Аноним Аноним
  • 23-02-2017
I believe there are 20 cannonballs.
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