A more appropriate SI unit of measure to use to determinate the surface area of the playground equipment is [tex]m^2[/tex].
S.I unit (Standard International unit), the International System of Units is the modern form of the metric system. It is the only system of measurement with an official status in nearly every country in the world.
For length, the most appropriate SI units is meter or m.
For area or surface area, the most appropriate SI units is meter squared or [tex]m^2[/tex].
For volume, the most appropriate SI units is meter cubed or [tex]m^3[/tex].
So, a more appropriate SI unit of measure to use to determinate the surface area of the playground equipment is [tex]m^2[/tex].
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