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  1. Find the volume of each shape below. Homework Help ✎

    1. Rectangle-based prism

    2. Rectangle-based pyramid

The volume of a rectangle-based prism is:
V = (base area) (height)

Substitute the values given.
V = [(20m)(7m)] [9m]

V = [140 m²][9m]

1260 m³

Refer to the Math Notes box below for the equation to find the volume of a pyramid. Then follow the steps from part (a).