Question

Paul is going to buy a rug for his den that measures 10 feet by

10 feet. How many square feet will he have to buy?

A 100ft²
B 20ft²
C 40 ft²
D48 ft?²

Answer 1

A 100ft^2

Explanation:

He will need 100ft^2 because you want it to fill the whole area. If you were to add up all sides it would just be the perimeter. You want the area, not the perimeter.