Respuesta :

A= 8ft
B= 4ft
C=6ft
D=10ft

SA=144ft

2 triangles: 6(8)/2= 24
rectangle 1: 4(6)= 24
rectangle 2: 4(8)= 32
rectangle 3: 4(10)= 40
SA= 24+24+24+32+40
SA=144