Question

Two chhed of edge 3cm are jokes end to end find the surface area of the resulting cuboid​

Answer 1

Length of cuboid = 6 cm
Breadth = 3 cm
Height = 3 cm
Surface area = 2(lb + bh + hl)
= 2(6x3+ 3x3 + 3x6)
= 2x 45
= 90 cm ^2