## Basic College Mathematics (9th Edition)

$A$ = 577.5 cm$^{2}$ $P$ = 97 cm
Are of a rectangle: $A$ = $l$$w$ Therefore: $A$ = (27.5 cm)(21 cm) $A$ = 577.5 cm$^{2}$ Perimeter of a rectangle: $P$ = 2($l$ + $w$) Therefore: $P$ = 2(21 cm + 27.5 cm) $P$ = 2(48.5 cm) $P$ = 97 cm