23 edges because a rectangle has 5 edges and 6 vertices, 5 times 6 is 30 subtracted by the number of faces(7) is 23.
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The rectangular prism has 12 edges.
There are twelve edges in a rectangular prism.
A rectangular prism has 12 edges and 8 vertices.
There are 12 edges and 8 corners in a rectangular prism
12 edges.