Question

The length, breadth, height of cuboid are in the ratio 1:1:2, its total surface area is 1000 sq.cm. Therefore, its length is ___. *

Answer 1

Answer:

10cm

Step-by-step explanation:

1:1:2

x:x:2x

1000=2lb+2bh+2hl

1000=2x^2+4x^2+4x^2= 10x^2

x^2=100

x=10

therefore length x=10