Basic College Mathematics (9th Edition)

$P$ = 4480 ft
Perimeter of a Parallelogram: $P$ = $a$ + $b$ + $c$ + $d$ Therefore: $P$ = 1240 ft + 1000 ft + 1240 ft + 1000 ft $P$ = 4480 ft Therefore, the perimeter of the parallelogram is equal to 4480 ft.