Answer:
B. 128ft^3
Step-by-step explanation:
Volume of a square based pyramid = a^2 h/3
from the question
a = 8
h = 6
Using the above formula
We have V = 8^2 x 6/3
= 64 x 2
= 128ft^3
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Answer:
a
Step-by-step explanation:
The answer is x=21. You have to do cross multiplication