Are all parallelograms are squares?
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This is false. However all squares are parrallelograms.

A parallelogram is a shape that has sides that will never touch if they moved up or down. So yes squares are Parellelograms but not all of them are squares there are many other shapes that are Parallelograms.

A’b’c’ are the coordinates to the new location of the transformed triangle abc. find the distance between the coordinates points to use for your calculations.