Which pyramid has a greater volume and how much greater is its volume?

in geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel. by extension, a line and a plane, or two planes, in three-dimensional euclidean space that do not share a point are said to be parallel.

i think it’s a i believe

3 hours and 15 minutes

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the answer should be d)400 cm3