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Determine whether each statement is always, sometimes, or never true.
Two cones are similar.
A pyramid is similar to a square.
Two spheres with the same radius are congruent.
Nonsimilar solids have different volumes.

Geometry 
Raven,
two cones are similar= always
A pyramid is similar to a square. = never true
Two spheres with the same radius are congruent. = always trues
Nonsimilar solids have different volumes. =sometimes true