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Research ArticleArticles

How To Get Basic Tree Values Quickly Without “PI”

Francis W. Holmes
Arboriculture & Urban Forestry (AUF) December 1984, 10 (12) 332; DOI: https://doi.org/10.48044/joa.1984.10.12.332
Francis W. Holmes
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  • (A)Diameter is girth divided by pi:Embedded Image
    (B)Radius is half the diameter:Embedded Image
    (C)Now, square the radius:Embedded Image
    (D)Area (“A”) is pi times this (πr2):Embedded Image
    (E)Basic tree value (“V”) is $22 times this:Embedded Image
    (F)Simplify into one fraction:Embedded Image
    (G)Substitute 31/7 for pi:Embedded Image
    (H)Make the denominator into one fraction:Embedded Image
    (I)To divide by 44/7 is to multiply by 7/44:Embedded Image
    (J)Divide both numerator & denominator by 11:Embedded Image
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Arboriculture & Urban Forestry (AUF)
Vol. 10, Issue 12
December 1984
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How To Get Basic Tree Values Quickly Without “PI”
Francis W. Holmes
Arboriculture & Urban Forestry (AUF) Dec 1984, 10 (12) 332; DOI: 10.48044/joa.1984.10.12.332

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How To Get Basic Tree Values Quickly Without “PI”
Francis W. Holmes
Arboriculture & Urban Forestry (AUF) Dec 1984, 10 (12) 332; DOI: 10.48044/joa.1984.10.12.332
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