faces of alarge cube are painted 864 are painted on one face what is the length edge of large cube how many are unpainted how many are painted on two faces and three faces

See my response to your previous question. Use that information for this problem.

I hope this helps. Thanks for asking.

To solve this problem, we need to use the information provided and make some assumptions.

Let's assume that all the faces of the large cube are square, and the area painted on one face is 864 square units.

To find the length of each edge of the large cube, we can start by finding the length of one side of the painted square. Since the area of the painted square is given as 864, we can take the square root of 864 to find the length of one side:

Length of side of painted square = √864 = 29.39 (rounded to two decimal places)

Now, we can assume that the side length of the large cube is also 29.39 units. This means that each face of the cube has an area of 29.39 * 29.39 = 864 square units, as given in the problem.

To determine how many faces of the large cube are unpainted, we need to find the total number of faces and subtract the number of painted faces. A cube has 6 faces in total, so:

Number of unpainted faces = Total number of faces - Number of painted faces
= 6 - 1 (since only one face is painted)
= 5 unpainted faces

Therefore, there are 5 faces of the large cube that are unpainted.

To find how many faces are painted on two faces, we need to determine the number of edges that are common to two faces. Each face of the cube shares an edge with four other faces, so there are 6 edges shared by two faces. Therefore, the number of faces painted on two faces is 6.

Finally, to find out how many faces are painted on three faces, we need to determine the number of corners of the cube. A cube has 8 corners, and each corner is shared by three faces. Therefore, the number of faces painted on three faces is 8.

In summary:
- Length of each edge of the large cube is approximately 29.39 units.
- There are 5 faces unpainted.
- There are 6 faces painted on two faces.
- There are 8 faces painted on three faces.