Answer:
Volume = 48 m³
Step-by-step explanation:
The volume can be found using the formula: V= 1/3AH
where, A= area of triangle base , H= height of pyramid
A= 1/2b x h = 1/2(4 x 9) = 18
V = 1/3AH
V = 1/3 x 18 x 8
V = 48 m³
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