Question

A cube of edge 12 cm is melted and recast into a cuboid of lenght 16 cm and breadth 15 cm.Find the height of the cuboid.​

Answer 1

as volume of the cuboid will be same

hence first find the volume of cube

hence

volume of cube is side^3=12^3=1728cm^3

hence volume of cuboid=lbh

hence

h=1728/16*15=7.2cm

Answer 2

✍︎...... Aɴsᴡᴇʀ

so first you have to find the volume of the cube =

side= 12cm   vol = S^3

vol=S x S x S =    12 x 12 x 12 = 1728cm^3

so volume of the cube should be equal to vol of cuboid

vol of cuboid = L x B x H

                     = 18 x 16 x H

                     =228 x H

                     = 1728 = 228 x H

                     H=6cm  ( by solving the above equation)

so the height = 6cm .  

H O P E I T H E L P S !!!

#PsychoHere

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