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I take it you mean the surface of the cuboid of those dimensions.

A quick sketch on paper, as you can't create it in a simple text editor, helps in cases like this.

Taking the 2 x 2 faces first, their total area = 2 x (2 x 2) = 8 cm^2

Now the 2 x 1 faces: 4 x ( 2 X 1) = 8cm^2.

So total surface area of the cuboid = 8 + 8 = 16 square centimetres.

[Edited to try to force paragraphs on this wretchedly basic text system!]

Q: What is the total surface area of 1Cm x 2Cm x 2Cm?

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Eight little cubes.

If the shape is a cuboid, then the volume is 4 cubic centimetres.

A cylinder whose radius is 2cm and height is 8cm has a total surface area of approximately 125.66cm2 {ADDED} To explain that further, the formula is pi*r^2 X h where r is the radius and h the height.

Such a box has four sides each with an area of 8 cm2 and two end each of are 4 cm2 for a total of 36 cm2 , assuming the box has a top and you want only the outside area.

Volume of a cuboid = widthxlengthxheight; therefore V = 2cm x 4cm x 1cm = 8cm3

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A cuboid is a 3 dimensional object and 3 measures are required for the total surface area of a cuboid.

If the shape is a cuboid, then the volume is 4 cubic centimetres.

Any shape you want as long as the area within its boundary is 6cm2.examples:a triangle of base 6 cm and height 2 cm;a rectangle 2cm by 3 cm;an L shaped hexagon with sides 5cm, 2cm, 1cm, 1cm, 4cm, 1cm;circle of radius approx 1.382 cm;

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A cube has six square faces. This cubes faces are 2 x 2 ie 4cm2 so overall surface area is 24 cm2.

Volume = 8 cm3 so each side = 2 cm So area of one face = 2cm * 2cm = 4 cm2 So total surface area (6 faces) = 6*4 cm2 = 24 cm2