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.

If the half total surface area of the cuboid is equal to the square of the length of its diagonal, then prove that the cuboid is cube.

The number of diagonals of a rectangular parallelopiped is…………..

The dimension (S) of a rectangular parallelopiped is/are ___

The number of planes of a rectangular parallelopiped are_____

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

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

The number of edges of a rectangular parallelopiped is ____________ .

8 wooden rectangular parallelopiped of same shape when arranged one over another, the volume becomes 128 cc. If the base of each rectangular parallelopipcd be a square and of height 1 cm, then find the length, breadth and height of each wooden rectangular parallelopiped.

If total surface area of a cube is s sq. unit and the length of its diagonal is d unit, then the relation between s and d is