Question

pls solve this send picture​

Answer 1

Answer:

Volume =l×b×h

Surface area = 2(lb +bh +hl)

Answer 2

Answer:

I can tell there surface area's

formula of surface area of cuboid=2(lb+bh+hl)

2[(8cm×2.5cm)+(2.5cm×4cm)+(4cm×8cm)

2[(10.5)+(10)+(32)

2[20.5+32]

2(52.5)

ANSWER:105