Question

Two cubes, each of side 8 cm are joined end to end.Find the volume of the resulting cuboid. ​

Answer 1

Answer:

l=8cm+8cm=16cm, b=8cm, h=8cm

Volume of the resulting cuboid

=l×b×h

=16×8×8

=1024cm³

Answer 2

$\sf \huge{Given:-}$

$\sf \: side \: of \: cube \: = 8cm$

$\sf\huge {Find:-}$

$\sf \: volume \: of \: resulting \: cuboid$

$\sf \huge{Solution:-}$

Two cubs with edge length 8 cm are joined 

new length = 2 (8 cm) = 16 cm

new breadth = 8 cm

new height = 8 cm

Volume of cuboid l+b+h=[16×8×8]

=1024cm3

$\sf \huge{Important\:Formula:-}$

• ❀ Total surface area of a cuboid = 2 [( l × b ) + ( l× h ) + ( b× h )]

• ❀ Lateral surface area of a cuboid = 2(l+b)h