The three different face diagonals of a cuboid (rectangular parallelopiped) have lengths 39, 40, 41.The length of the main diagonal of the cuboid which joins a pair of opposite corners :

The three different face diagonals of a cuboid (rectangular parallelopipd ) have lengths 39,40 and 41 units .Find the length of the main diagonal of the cuboid which joins a pair of opposite corners.

The lengths of the diagonals of each surface of a rectangular parallelopiped are not equal.

Sides of a cuboid are 3 cm, 4 cm, 12 cm then the length of the diagonal of a cuboid is

Among the length, breadth and height of a rectangular parallelopiped, the length of its diagonal is the greatest.

Half of the total surface area of a rectangular parallelopiped is equal to the square of length of its diagonal. Show that the rectangular parallelopiped is a cube.

A cuboid is 12m xx6m xx2m. Then its length of the diagonal is

If the sum of the length, breadth and height of a rectangular parallelopiped is 24 cm and the length of its diagonal is 15 cm, then its total surface area is

The lengths of the diagonals of the roof and that of the floor of a cuboidal room are ___________ .

The diagonals of three faces of a cuboid are 13, sqrt(281) and 20 linear units. Then the total surface area of the cuboid is