a plane is passed through a parallelepiped, cutting all the lateral edges and forming a right section which is a square. If the lateral area of the solid is 216 cm^2 and a lateral edge measures 9 cm, find the measure of the one side of the section.

Question

ikram002p · Answer

interesting...

ganeshie8 · Answer

attachment

ganeshie8 · Answer

lateral area =  (perimeter of 'right section' ) * (slant height)

216 = 4s * 9

you can solve s

anonymous · Answer

no...it's not an oblique prism but a right one

ikram002p · Answer

right one = reqtangle
 and the answer wud be the same :)

ganeshie8 · Answer

parallelepiped = oblique prism

ganeshie8 · Answer

if it were a right prism, the question wud say it so...

ganeshie8 · Answer

and solving wud be very easy for right prism

anonymous · Answer

aHhh...I see...yeah it's not stated in the problem that it is a right prism I just assumed ^^...my mistake

ganeshie8 · Answer

assuming it as  right prism wud make our life simple, however answer will not change as ikram said :)

anonymous · Answer

is S=6 the final answer??? or it's not yet

ganeshie8 · Answer

s = 6 is $\large \color{red}{\checkmark}$

ganeshie8 · Answer

good work !

anonymous · Answer

oH thank you very much...you're a great help ^^

ganeshie8 · Answer

np :)