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A cube is three dimensional figure as shown in Fig 11.11. It has six faces and all of them are identical squares. The length of an edge of the cube is given by l. Find the formula for the total length of the edges of a cube.

Answer:

Length of an edge of the cube = l

Number of edges = 12

Total length of the edges = Number of edges × length of an edge

=12l

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so today we are going to solve an
interesting problem so let's see what is
that here
the boundaries of this all its are
curves
so is this correct now observe properly
so if you are taking any solids like it
may be of sphere
if you are taking sphere then the how
does all it will be there exactly like
this right
and do we have any boundaries for this
sphere
no we don't have any boundaries right we
don't have any boundaries but if you are
taking the
cube okay if you are taking the cube so
the cube will be exactly like this right
so this is how the cube will be there
so now or cuboid or anything or it may
be so now does this
curves so are they curves no they are
not the curves okay
so they are not the curves and the
statement is false okay so the statement
is false here
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