glass A is a rectangle and glass B is a tringle

The water glasses are filled to the same height and have the same radius.
Fill in the blanks:

d) If the radius and the height both doubled, then the volumes would increase times_____ (Hint: Use your formulas to substitute V = 1/3 * pi * r ^ 2 * h and V = pi * r ^ 2 * h )

answers choices:
one
two
three
four
five
six
seven
eight
nine
ten
You can only use the answers once.

1 answer

answer: eight