- Choice G
Area of square: $S^2=196 \times 4\ cm^2$
Length of a side of the square: $S=\sqrt{196\times4}=14\times2=28$
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Area of square: $S^2=196 \times 4\ cm^2$
Length of a side of the square: $S=\sqrt{196\times4}=14\times2=28$
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