A diagonal of a face of a cube is 3√2 cm. Find the edge and the total area of the cube.
The diagonal of a cube has the length of s√2....where s is the side length..so, the side length must be 3cm.
And the total surface area of a cube is = 6s^2 = 6(3)^2 = 54cm^2
Thank you! :)
No prob....
+90 
