68*225 = 15300 square feet
The answer will depend on the units used for 6X9. It also depends on the shape of the 225 square foot area: a circular area will require a lot more stones to be shaped and, therefore, a lot more wastage.
Multiply length x width; 40 x 145 = 5,800 square feet.
6,650 square feet is 0.15 acres.
0 because there are only inches and centimeters in a foot
A 100 foot x 100 foot lot is equal to 10,000 square feet. To convert this to square meters, multiply by 0.09290304. Therefore, a 100 foot x 100 foot lot is approximately 929 square meters.
An 18,898 square foot lot is about 0.43 acre.
7,000 square feet is 0.16 acre or 4/25 of an acre.
21 x 4 = 84 -- There are 84 square feet on the floor. -- There are 84 square feet on the ceiling. -- There are a lot more square feet on the walls, but in order to calculate them, you need to know the height of the room.
21 x 11 = 231 -- There are 231 square feet on the floor. -- There are 231 square feet on the ceiling. -- There are a lot more square feet on the walls, but in order to calculate them, you need to know the height of the room.
27,300
This lot is slightly over 1/2 (0.5165) acre.
1 acre = 43,560 square feet 0.11 acre = 4,791.6 square feet