Answer :

TSO
Area = Length x Width

You can not express area as a sum.
Finding the area only involves multiplication Perimeter calculations can use sum and product since you add the sides some of which are the same you can use both methods EXAMPLE IN A SQUARE ALL SIDES ARE THE SAME SO YOU CAN USE ADDITION S+S+S=S+S= 4S OR 4 (S)= 4S

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