Remember always that area is a two dimensional entity.
Thus, the unit of area is given by:
Option A: [tex]\: \rm cm^2[/tex]
Area is a two dimensional mathematical quantity:
A two dimensional mathematical quantity will have two dimensions.
They can be similar or different. In case of area, we use similar dimensions usually.
Thus, each dimension was measuring cm and thus area will be having its unit as [tex]\: \rm cm^2[/tex]
Other options include single dimensions and entities with 3 dimensions.
They cannot express area.
Thus, the unit of area is given by:
Option A: [tex]\: \rm cm^2[/tex]
Learn more about two dimensional quantities here:
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