The question does not present the picture, but this does not interfere with the resolution we know that scale factor=4 side of the scale model=scale factor*side original square side of the scale model=4*side original square side original square=(1/4)*side of the scale model hence the size of the original model is 4 times less than the scale model
the answer is the option Each side of the original square is 4 times less than the scale model