Electric flux through the square

[gracy]

Homework Statement

A point charge of +6μC is placed at a distance 20 cm directly above the center of a square of side 40cm.The magnitude of the flux through the square is

Homework Equations

The Attempt at a Solution

Now how to enclose the charge completely?The answer is with the help of 5 more squares but I want to know how?Because this will make a cube

The charge is not enclosed completely.

 

[ehild]

Think in 3D.

 

[gracy]

Understood.Thanks @ehild.