Answer:
formula: area of a trapezoid= (base1+ base2/2) Xheight
base1= 24in base2= 30in height= 16in
(24+30/2)16 = 432in
formula: area of a square= s^2
10^2=100in
shadded area= area of trapezoid - area of a square
shadded area= 432-100= 332in
