18 feet is 6 yards, and 21 feet is 7 yards. 6 multiplied by 7 is 42. Therefore, it's 42 square yards.
42 square feet
126 feet.42 yards is 126 feet.
42 feet = 12.8016 meters
42 inches = 3.5 feet.
42 feet = 504 inches
42 feet
40*42=1680 sq. ft.
There are 5280 feet in one mile si there are 221760 feet in 42 miles.
One yard is equal to 3 feet. Therefore, 42 feet is equal to 42 / 3 = 14 yards.
3.5 feet
this is a particularly easy question, you woul find this by doing, 2l+2(18)=42 then 2l+36=42 and then 2l=42-36 making 2l=6 after that l=6/2 which is 3 meaning the length is 3