Question

a cubodical box has the dimension 10m x 8m x 4m. its top end is open, find the surface area of the box?

Answer 1

The surface area of cuboid is if one top end is open
lb+2(bh+hl)
10×8+2(8×4+4×10)
80+2×72
224m^2

Answer 2

Surface Area of cuboid
=2(lb+bh+hl)
2(10×8+8×4+4×10)
192