Question

find the length of diagonal of a cube of side 4 cm

Answer 1

in a cube........
side=4cm(a)
according to the formula
diagnol=√3a
=√3×4
=4√3

Answer 2

Question :

Find the length of diagonal of a cube of side 4 cm.

Answer :

The length of diagonal of a cube of side 4 cm is 6.93 cm .

Given :

Length of the side of the cube = 4cm

To find :

The length of its diagonal

Solution :

We know that,

length of a diagonal of a cube = √3 a

where a is the length of a side of the cube

= √3 × 4

= 1.732 × 4

= 6.928

= 6.93 approx

Hence, the length of diagonal of a cube of side 4 cm is 6.93 cm .

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