Answer:
Surface Area of rectangular prism = 94 feet²
Explanation:
Length, l = 3 feets
Width, w = 4 feets
Height, h = 5 feets
Surface area, A of a rectangular prism is given as :
2(lw + lh + wh)
A = 2[(3*4) + (3*5) + (4*5)]
A = 2(12 + 15 + 20)
A = 2(47)
A = 94 ft²