Question

Three cubes are joined end to end having edge 3 cm to form cuboid .Whaf is the surface area of cuboid

Answer 1

new l=3+3+3=9

new b=3

new h=3

TSA=2(lb+ bh +hl)

2(9×3+3×3+3×9)

2(27+9+27)

2(63)

126cm^2

hope it helped......