Question

the volume of a cuboid is 240 cm3 it's length is 6cm and height is 5cm find its breadth​

Answer 1

Step-by-step explanation:

volume of cuboid =l×b×h=448cm

3

=l×b×7=448cm

3

=l×b=64cm

2

but base is square

∴l=b

∴l

2

=64cm

2

⇒l=b=8cm

surface area =2(lb+lh+bh)

=2(8×8+8×7+8×7)

=2(64+56+56)

=352cm

2