A solid $6$-by-$6$-by-$6$ cube is constructed from unit cubes and the entire outer surface is painted. What fraction of the unit cubes has at least two painted faces

Respuesta :

Answer:

8 cubes will have paint on 3 faces

Step-by-step explanation:

8 cubes will have paint on 3 faces

4 * 4 * 3 =  48  will have paint on two  faces

[ 8 + 48 ]  /   6^3    

56  /  216  

7 / 27

What is called cube?

In Maths or in Geometry, a Cube is a solid three-dimensional figure, which has 6 square faces, 8 vertices and 12 edges.

It is also said to be a regular hexahedron.

Cube is a 3-dimensional structure with six squares/faces, and three of them meet at each vertex, and all the angles at the corner are right-angled.

Learn more about cubes here: https://brainly.in/question/10854006

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