Question

a cuboid with a square base is to be made with 200 cm^2 of material. Show that the height, h=(50/x)-(x/2)

Answer 1

@hartnn please give me some hints like last time ! :)

Answer 2

let the base side be x
then S.A=2(lb+bh+lh)
200=2(x^2+hx+hx)
result follows

Answer 3

@ksw19372

Answer 4

still confused..

Answer 5

S.A=2(lb+bh+lh)
got this ?

Answer 6

or which part of @Galaxyy 's explanation did u not get ?

Answer 7

i know its really basic but i dont get what i and b i know h is for height..

Answer 8

l-length
b-bredth
h-height

Answer 9

now its easier :) thank you to both of you !

Answer 10

ur welcome