Question

a cuboid box is 5 cm by 5 cm by 4 cm find the surface area

Answer 1

Surface area of a cuboid =2(lb+bh+hl)
so,putting the given values 2(5*5+5*4+4*5)
=2(25+20+20)=2*65=130cm^2

Answer 2

surface area of Cuboid box=2 (lb+bh+hl)
=2 (5×5+5×4+4×5)
=2×65
=130cm squ.