Question

There are two cuboidal boxes as
show in the adjoining figures which
box requires the lesser amount
of material to make​

Answer 1

Answer:

Box(a) requires the lesser amount of material,since it's Total Surface area is 200 cm sq. lass than Total Surface area of the Box(b)

Step-by-step explanation:

T.S.A of box(a)=2(lb+bh+ lh)sq. unit

=2(2400+2000+3000)sq. cm

= 2×7400 cm sq.

=14800 cm sq

Now,

T.S.A of box(b)=6×(Side)sq.

,=6×(50)sq.

=6×2500

=15000 cm sq.