Answer:
Explanation:
A=2
(width x length+height x length +height x width)
=2·(4·5+2·5+2·4)=76ft^2
76 square feet
surface area = 2(wl + hl + hw) w=width h=height l=length
surface area = 2(5*4 + 2*4 + 2*5)
surface area = 2(20 + 8 + 10)
surface area = 2(38)
surface area = 76 square feet
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