Technically, area and volume aren't necessarily squared and cubed. If you're talking about, well, squares and cubes, then this is true. In general, area is some form of length * width, and volume is some form of length * width * height.
But the reason why the units are squared and cubed is because the units effectively get "multiplied" with each other. So for example, if you have a rectangle that is 2 ft by 4 ft, you multiply (2 ft) * (4 ft) = 8 ft2. You always want to make sure your units are consistent with the operations that you perform on the numbers.
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Area is measured in square units. Volume is measured in cubic units. Surface Area- squareunits.
a circle is a round object. since an area is a two dimensional concept not a three dimensional concept like a volume,the area of a circle is squared. GIVEN BY THE FORMULA A=pie x r(radius)squared. pie=3.14159265
2 squared --> 4 2 cubed --> 8 3 squared --> 9 3 cubed --> 27
squared is 49. Cubed is 343.
yeahcuz with a shape (2D) it's always gotta be squared after u calculate the areabut if it's 3D then it's cubed