Posted by Ted on Sunday, May 16, 2010 at 8:45pm.
a sqyuare based pyramid is on top of a cube .both shapes have the same base and the same height. which expression repreents the total volume of this shape? justify your answer

math  Ms. Sue, Sunday, May 16, 2010 at 8:57pm
What are your choices?

math  Reiny, Sunday, May 16, 2010 at 10:10pm
What did you not like about my answer yesterday?
http://www.jiskha.com/display.cgi?id=1273956086

math  Ted, Sunday, May 16, 2010 at 10:45pm
thanks.
my choices are:
A. v=4b^4h^2 divided by 3
B. v=2b^4h^2 divided by 6
C. v=4b^2h divided by3
D. v=2b^2h divided by 3
E. v=4b^4h^2 divided by 6.
this is for ms.sue.

math  Reiny, Sunday, May 16, 2010 at 11:01pm
Ted, neither in todays nor in yesterdays post did you give any dimensions.
Your choices of answers suggest that the base had side b and the height was h
so matching my answer of (4/3)x base area x height
would be C. 4b^2h/3 or (4/3) b^2 h
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