Question

The surface area of the cuboid is 1372 sq. cm. If its dimensions are in
the ratio of 4:2:1. Then find its length.​

Answer 1

Answer:

so

total surface area =1372sqcm

total surface area =2(lb+bh+hl)

surface area. =2(4x*2x+2x*x+4x*1x)

so

2*8x+2x+4x

28

4x=4*28=122

2x=2*28=56

x=28