# ABCD is a quadrilateral in which BD = 40 cm. The lengths of the perpendiculars

ABCD is a quadrilateral in which BD = 40 cm. The lengths of the perpendiculars drawn from the opposite vertices on BD are 16 cm and 12 cm. The area of the quadrilateral (in cm^{2}) is

(a) 560

(b) 580

(c) 600

(d) 500