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Q: What is the length of each edge of a cube if the cube has an area of 4 square feet?

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6*x2 square units where the length of each side of the cube is x units.

The cube has 6 faces. They all have the same area. If all 6 of them add up to54 square units, then each one has an area of 9 square units.The area of each face is the square of the length of an edge. If 9 square unitsis the square of the length of an edge, then the length of an edge is 3 units.

216 square inch total surface area, divide that by 6 to have the area of each square face, 36 square inch. The square root of that is the length of one side, 6 inches.

2 centimeters

Total area = 4 square feet.The cube has 6 faces.Area of each face is (4/6) square foot.Area = square of the length of each edge.Length of each edge = square root of the area of each face.Length = sqrt(4/6 square foot) = 0.8165 ft = 9.798 inches (rounded)

ok, so think about it. a cube has 6 sides. The surface area is the area of the surface of all 6 sides combined, so you divide the surface area by 6. This gives you the area of each square on each side. Then square root the answer because the area of a square is the side length squared. Now you have the edge length!

2 ft

If the length of each edge of the cube is 's',then the area of each face is s2.

Length of one side=2 cm24/6 = 4 . If a face (square) has an area of 4 then the length of each edge is 2.

The faces of a cube are squares.If a square has 4 square feet of area, then its side is 2 feet long.

The easiest way to find the volume of a cube is to find the length of its edgeand then cube that number.Here's how to find the length of the edge from the total surface area:-- A cube has 6 faces. If its total surface area is 96 square units, thenthe area of each face is 16 square units.-- Each face is a square. If the area of the square is 16 square units, thenthe side of the square is 4 units.But the side of the square face is the same as the edge of the cube !-- The volume of the cube is (4 x 4 x 4) = 64 cubic units.

A cube has 6 squares as the faces of a cube. The area of the square is A = s² where s is the length of the side. Given that area formula, we have: A = (3 centimeters)² = 9 centimeters² So the area of each face of a cube is 9 centimeters²

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