Posted by **Anonymous** on Friday, January 18, 2013 at 7:41am.

The areas of the the three adjacent faces of a cuboid are 600 sq.cm 300sq.cm and 200 sq.cm.find the sum of the length,breadth and height of the cuboid ?

- maths-urgently needed -
**Reiny**, Friday, January 18, 2013 at 9:48am
let the dimensions be a , b, and c cm

ab=600

ac=300

bc=200

from ab=600 , b =600/a

from ac=300 , c = 300/a

from bc = 200

(600/a)(300/a) = 200

180000/a^2 = 200

200a^2 = 180000

a^2 = 900

a = 30

then b=300/30 = 20

and c = 300/30 = 10

the cuboid is 30 cm by 20 cm by 10 cm

- maths-urgently needed -
**THANKS**, Sunday, March 24, 2013 at 7:11am
THANKS FOR THE ANSWER. :D

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