Question

Two cubes of edges 5 m are joined end to end Find the volume of the resulting cube​

Answer 1

Answer:

Two cubs with edge length 8 cm are joined

new length = 2 (8 cm) = 16 cm

new breadth = 8 cm

new height = 8 cm

Surface area of cuboid 2 (lb+bh+hl)

=2[16×8+8.8+8×16]

2[320]=640cm

2

Answer 2

Answer:

After joining

length=5+5=10m

breadth=5m

height=5m

the volume of the resulting cuboid = L×B× H

=10×5×5

=250m3 ANS