The volume of the given composite solid is 375 m³
Volume of composite solid
From the question, we are to determine the volume of the composite solid
The volume of the composite solid = Volume of the cuboid + Volume of the triangular prism
Thus,
Volume of the composite solid = (5 × 5 × 13) + 1/2(5 × 4 × 5)
Volume of the composite solid = 325 + 50
Volume of the composite solid = 375 m³
Hence, the volume of the given composite solid is 375 m³
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