The points PPP, QQQ, RRR and SSS are the midpoints of the sides ABABAB, BCBCBC, CDCDCD and DADADA of rectangle ABCDABCDABCD, respectively. The perimeter of rhombus PQRSPQRSPQRS is 20 cm20\text{ cm}20 cm, and AB=6 cmAB=6\text{ cm}AB=6 cm. What is the area of rectangle ABCDABCDABCD? A24 cm224\text{ cm}^224 cm2B36 cm236\text{ cm}^236 cm2C48 cm248\text{ cm}^248 cm2D60 cm260\text{ cm}^260 cm2E100 cm2100\text{ cm}^2100 cm2