Answer:
The correct answer is first option
512 cubic mm
Step-by-step explanation:
<u>Points to remember</u>
Volume of hexagonal pyramid = Base area * height
<u>To find the volume of hexagonal pyramid</u>
It is given that, base area = 64 square mm and
height = 8 mm
Volume = Base area * Height
= 64 * 8
= 512 cubic mm
Therefore the correct answer is first option
512 cubic mm