Question 651771
calculations that are measured in square units (you using it in case you measure area):

Answer

The amount of carpet needed to cover a floor-relates to area

The amount of sod needed to cover a dirt yard-relates to area

The amount of paint needed to cover a wall -relates to area

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these are not answer because:
The amount of water needed to fill a bucket relates to volume.
The amount of fencing needed to surround a garden relates to perimeter.