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A net can be folded to form a cube with a side length of 20 units.
mc015-1.jpg What is the surface area of the cube in square units?

Respuesta :

CmdrWinters
The surface area of a cube is the combined area of all of its faces. The faces of a cube are squares, so to find the area of one face, we simply need to multiply the side length, which is 20, by itself.

20 * 20 = 400

So one face has an area of 400 units squared. To find the surface area, we just need to add all of the individual areas together. Cubes have 6 faces, so we can just multiply 400 by the amount of faces there are.

400 * 6 = 2400

The net, when folded into a cube, has a surface area of 2,400 units squared.
Hope that helped! =)

The surface area of the cube in square units is 2400 sq.units.

What is the Surface Area of the object?

The surface area of an object is the sum of area of its external surfaces.

The surface area of cube is equal to the sum of area of all the faces.

Surface area of cube = 6a²

The side of the cube is 20 units

The surface area = 6 ( 20) ²

Surface Area = 6 * 400

Surface Area = 2400 sq.units.

To know more about Surface Area

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