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17 August, 01:31

This net can be folded to form a cube with a side length of 20 units

IM

What is the surface area of the cube in square units?

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  1. 17 August, 02:13
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    The net, when folded into a cube, has a total surface area of 2,400 sq. units

    Step-by-step explanation:

    The length of all sides of a cube are the same.

    Now, the surface area of a cube is the sum of the area of all of its faces.

    Since the length of all sides are the same and we are told that the length of a side is 20 units, thus, the area of one face is;

    A = 20 x 20 = 400 sq. units

    So, one the area of a face is 400 sq. units.

    Now, since all the faces are the same measurement, thus each face will have an area of 400 sq. units. Cubes have 6 faces, thus the total surface Area is;

    Total = 400 x 6 = 2400 sq. units

    The net, when folded into a cube, has a total surface area of 2,400 sq. units
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