The surface area of a cuboid is 120 sq ft.
Step-by-step explanation:
Given,
The fig is a cuboid.
Length(l) = 10 ft
Width(w) = 5 ft and
Height(h) = 4 ft
To find the surface area
Formula
The surface area of a cuboid = 2(l+w)h sq ft
So,
The surface area of a cuboid = 2(10+5)×4 sq ft
= 120 sq ft
