How to a rectangle not a square
Construct a Rectangle (not a Square)
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hi this is mr. Erlin continuing in our
effort to construct appropriate parallel
and intersecting line elements we're
going to build 50 for constructing a
rectangle that's not a square so to
begin with we did one segment that is
free and I'm going to pick it doesn't
really matter where but I am going to
produce a line that is perpendicular to
this segment which will give us one of
our right angles I'm going to choose
some length here and I can choose any
other link here I'm choosing this spot
but it doesn't matter all it does is it
produces the perpendicular there is a
nature of my sector going on here but
because I'm not concerned with that at
this point I'm simply choosing something
that gets me a perpendicular line
segment so that will be perpendicular
here and that gets me the beginning of
my rectangle as you can visualize what
I'm looking for is a rectangle like this
therefore I can do another one over here
somewhere
this is also similar to the
perpendicular perpendicular and I'm
going to end up with two lines that
would then be parallel and the trick is
if I want this to be a rectangle and not
a square well what would make it a
square is if this length were the same
as this length so to ensure that it's
not a square what I will do is measure
this length it would make it a square
make that notation up here and I have to
simply ensure that I go through some
point that is not there so one way I can
do that leveraging our prior skills is
do a line that's perpendicular through a
point on the line remember that's one of
our skills we just did my reference arc
from each of those points on the more
than halfway
in this case I want to demonstrate that
these end up in the same these end up
being the same suggested rectangular and
not a square and although we have not
proven this yet the fact that we've got
three angles at 90 degrees means that
the fourth angle must by default would
be another 90 degrees because all four
angles in a quadrilateral that's how we
construct a rectangle that is not a
square
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