Question

length of core of cube is 2a then length of diagonal is

Answer 1

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Answer 2

The length of the diagonal is $2\sqrt3 a$ unit.

Step-by-step explanation:

Given : Length of core of cube is 2a.

To find : Length of diagonal ?

Solution :

The diagonal of the cube is given by,

$d=\sqrt{3}s$

where, s=2a is the side of cube

Substitute the value,

$d=\sqrt{3}\times 2a$

$d=2\sqrt3 a$

Therefore, the length of the diagonal is $2\sqrt3 a$ unit.

#Learn more

Core of three cubes of mater are 3cm ,5cm,4cm.by melting all there,a new cube is made .find the volume of new cube and the length of the core of this cube.

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