math
posted by Erica McDonnell .
Which of the following square pyramids have a volume of 24 mm. choose all that apply
a square pyramid with a side length of 9 mm and a height of 8 mm
a square pyramid with a side length of 3 mm and a height of 8 mm
a square pyramid with a side length of 2 mm and a height of 18 mm
a square pyramid with a side length of 6 mm and a height of 4 mm

math 
Erica McDonnell
which ones are right

math 
Reiny
The volume of a pyramid = (1/3)(area of base)(height)
test them, I see two of them 
math 
Erica McDonnell
what are the answers
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