Question

if two cubes of edge 6cm are joined face to face then total surface area of cuboid thus formed is​

Answer 1

Surface area of a cuboid =2(lb+by+hl)
L=6+6=12cm
h=6cm
b=6cm
=2[(12x6)+(6x6)+(6x12)]
=2(72+36+72)
=2x180
=360cm