perimeter and area
posted by FH on .
A rectangular field is 13 m long and 10 m wide. its has a cement path 3 1/2 m wide around it. What is the area of the cement path?
area of field alone: 13*10 = 130
area of field+path: (13+7)(10+7) = 340
area of path: 340-130 = 210
seems like a mighty wide path for such a small field.
The area of a rectangular certificate is 45 square inches. The perimeter is 28 inches. What are the dimensions of the certificate
a backyard is a rectangle 15m long by 10m wide in one corner there is a rectangluar garden 5m by 3m