Answer:
17.3 cm³
Explanation:
The volume of a pyramid is given by the formula ...
V = 1/3Bh
where B is the area of the base, and h is the height.
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The volume of a square pyramid with base area 5.5 cm² and height 6.4 cm is ...
V = 1/3(5.5 cm²)(6.4 cm) ≈ 17.333... cm³
The volume of the pyramid is about 17.3 cm³.