How does the volume of a square pyramid change if the base area is quadrupled and the height is reduced to 1/9 of its original size?

A. V= 1/27Bh
B. V= 4/27Bh
C. V= 2/9Bh
D. V= 4/9Bh

6 answers

V = (1/3)base area * height

new V =(1/3) (4 base area)(height/9)

so 4/9 of original
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that isn't correct
the answer is B v=4/27Bh
How does the volume of a rectangular prism change if the width is reduced to   of its original size, the height is reduced to of its original size, and the length is reduced to of its original size?