Answer:
B
Step-by-step explanation:
1) find the base area
base area = side^2 = 30^2 = 900 m^2
2) find the Volume
V = (base area x height)/3 = (900 x 21)/3 = 6300 m^3
B) 6,300 m³
The volume of approximate = L×W×H/3
30×30×21/3=
answer: 6,300
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