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To find the volume of a right rectangular pyramid, you can use the formula: \(V = \frac{1}{3} \times \text{base area} \times \text{height}\)
Since the base of the pyramid is a rectangle, the base area is length x width.
Given:
Height (altitude) = 35 m
Length = 26 m
Width = 31 m
Base area = 26 m x 31 m = 806 m²
Now plug in the values into the formula:
\(V = \frac{1}{3} \times 806 \text{m²} \times 35 \text{m}\)
\(V = \frac{1}{3} \times 806 \times 35\)
\(V = \frac{1}{3} \times 28110\)
\(V = 9370 \text{m³}\)
Therefore the volume of the pyramid is 9,370 m³.