Perimeter
Measures the outside of the shape
Area
Area measures the inside of the shape
Both
Measurements that describe the shape
Chat with our AI personalities
80 feet
Perimeter=28 ft Area=49 square ft
Perimeter = 15+15+15+15 = 60 feet Area = 15*15 = 225 square feet
The area of rectangle is : 896.0
You would find the area of the inside and outside shape (pretending that the inside shape was not in the outside shape). then, you would take the area of the outside shape and subtract the area of the inside shape.