Re: Raised Bed Geometry Problem

I want to add that measuring the sides doesn't give you enough information
to make an accurate scale model. You must also measure the angles (very
difficult to be accurate) or the diagonals (recommended), and ensure that
your model is accurate those ways too.

"Andrew Ostrander" <apanda@xxxxxxxxxxx> wrote in message
news:0GDSe.2231$qP3.23894@xxxxxxxxxxxxxxxx
> Making a paper model sounds like a good idea to me, but if you want to
work
> on the ground instead, bisect the southeast angle and bisect the southwest
> angle. Where the bisectors meet is the center of your circle. Note that
> because your west side is bent, there may not be a perfect circle that
> touches all 3 sides, but the bisection method will find it if it exists.
> .
> "Warren" <wholzem@xxxxxxxxxxx> wrote in message
> news:w46dnYvVAZ-w34feRVn-gw@xxxxxxxxxxxxxx
> > DrLith wrote:
> > >
> > > I didn't do real good at geometry class, either, but I think I did
come
> up
> > > with a reasonable scale drawing of the space you described. If I'm
> close,
> > > then a 12' diameter circle will NOT be big enough to do what you want
it
> > > to. The center of such a circle would need to be 6' up from the street
> and
> > > 6' in from the driveway if it's going to touch both, and it's not
going
> to
> > > touch the west/northwest "almost straight" boundary at all.
> > >
> > > Instead, you're going to need something closer to 17-18' in diameter
> > > (about 8.5' in radius) centered 8.5-9' north of the street edge and
> 8.5-9'
> > > west of the driveway edge.
> > >
> > > I'd suggest you draw out your own scale drawing, though--not too hard
to
> > > do if you cut out line segments of the appropriate length, lay down
the
> > > easy parts first (south and east side) and then test position the
other
> > > three segments until you get a mostly right angle in the northwest.
> >
> > I think you're right. I cut-out some paper strips to represent the
sides.
> > Took me a good half-hour to get them down right, and that was even after
> > using corners of the paper to make combined south and east, and north
and
> > northwest sides. It took awhile, including re-taping a couple of times
> when
> > corners didn't line-up, but I finally got it down.
> >
> > I then used variously sized lids from jars and bottles until I found
what
> > that fit the way I was hoping, and when I measured it, it was about 17
> units
> > in diameter.
> >
> > Truth is, I never did get it to fit as snugly into the narrow end as I
was
> > seeing when I was looking at the actual location. This leaves me with
two
> > too big areas in the southwest and southeast corners, and a circular
area
> > far bigger than I want. I can't believe my perception from the ground
was
> so
> > far off.
> >
> > Even if I fudge everything in favor of what I envisioned, I still don't
> get
> > down to anything close to the 12' diameter I was guessing.
> >
> > Of course this is exactly why I wanted to know all my measurements
> *before*
> > I started digging, and placing stones.
> >
> > --
> > Warren H.
> >
> > ==========
> > Disclaimer: My views reflect those of myself, and not my
> > employer, my friends, nor (as she often tells me) my wife.
> > Any resemblance to the views of anybody living or dead is
> > coincidental. No animals were hurt in the writing of this
> > response -- unless you count my dog who desperately wants
> > to go outside now.
> > Have an outdoor project? Get a Black & Decker power tool::
> > http://www.holzemville.com/mall/blackanddecker/
> >
> >
> >
>
>


.

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