Length of highway = 5280 ÷ cos 8 = 5331.89 feet (2dp)
1mi = 5280ft 3240ft x 1mi/5280ft = 0.614mi
400 ft = 0.07578 miles (1 mile = 5280ft)
1mi = 5280ft 8268ft x 1mi/5280ft = 1.566mi (rounded)
1 mile = 5280ft 5 miles x (5280ft/1mi) = 26400ft
1 mile 5280ft (5280ft/3ft/yd) 1760yd so 1/1760
1 mile.
There are exactly 5280ft per mile. (2mi) x (5280ft/mi) = 10560mi.ft/mi = 10560ft
1mi = 5280ft 1ft = 12in 1mi x 5280ft/mi x 12in/ft = 63360in
23 miles x 5280ft = 121440 -------------1 mile 23 miles x 5280ft = 121440
1mi = 5280ft
1mi = 5280ft 0.6mi x 5280ft/mi = 3168ft
1mi x 1mi = square mile. So 5280ft x 5280ft = 27878400 ft squared or 27878400ft2