Answer:
130 ft
Step-by-step explanation:
S.A. = 2wl + 2lh + 2hw
= 2 x 5 ft x 7 ft = 70 ft 2 x 7 ft x 2.5 ft = 35 ft 2 x 2.5 ft x 5 ft = 25 ft
70 + 35 + 25 = 130 ft
