Question

the cuboidal box of dimensions 81 cm x 27 cm x 9 cm is made into a cubical box.Find the edge of cubical box.​

Answer 1

Answer:

27 cm

Step-by-step explanation:

Let the side of the cubical box be a

Volume of the cuboid = 81 × 27 × 9 cm³

Because, the cuboidal box was made into a cubical box,

Volume of cube = Volume of cuboid

=> a³ = 81 × 27 × 9 cm³

=> a³ = 81 × 3³ × 9 cm³

=> a³ = 729 × 3³ cm³ = 9³ × 3³ cm³

=> a = 9×3 cm = 27 cm