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I am building a flower bed around a tree. I need to mathematically figure out how far from the tree...

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patricia92243 Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Jul-10-08 12:01 PM
Original message
I am building a flower bed around a tree. I need to mathematically figure out how far from the tree...
my bricks/stones should be - and I don't know how to do it.

The bricks are one foot wide and there are 20 of them. The tree is three feet around (circumference.) I think there should be some way to plan it out from this information but I'm not sure how to go about it.

Any help will be GREATLY appreciated!

Patricia
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Kolesar Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Jul-10-08 12:44 PM
Response to Original message
1. R = (1 ft/brick * 20 bricks) / ( 2 * pi )
Pi is 3.14

R = (1 ft/brick * 20 bricks) / ( 2 * pi ) => 3.2 feet is the radius of the circle of bricks

Subtract half the width of the tree from R to obtain the distance of the circle of bricks from the outer surface (circumference) of the tree.

The width of the tree is 3 / pi ~= 1 foot. Half the width is 0.5 feet.

3.2 - .5 foot => 2.7 feet from the edge of the tree to the circle of bricks



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patricia92243 Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Jul-10-08 01:01 PM
Response to Reply #1
2. Thank you, thank you, thank you!!! I could never have figured that out if I lived to be 100. n/t
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Inchworm Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Jul-10-08 01:08 PM
Response to Reply #1
3. Medic!
My head just exploded! :P

Beer here, STAT!

:rofl:

:toast:
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BOSSHOG Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Jul-10-08 02:09 PM
Response to Reply #3
4. Mine too
At our house I just put it whereever my wife tells me to.

- Beer!!! That sounds like a great idea and it is after five somewhere.
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Dover Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Jul-10-08 04:54 PM
Response to Original message
5. PI in the sky
Wow, I'm impressed with all that figurin' by TheBorealAvenger!

Since I don't have that skill and tend to need a more tangible means of figurin', I guess what I would have done is take a flexible tape measure and counted out 20' or used a 20ft. length of hose or just cut a string 20ft. long (one foot for each brick). Then I would have played with laying it in a circle around the tree until it seemed equidistant all the way around the trunk, and roughly laid the bricks out along that line to make sure they all fit.
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