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style corrections per Wikipedia:Manual of Style (mathematics); lower-case initial letters in headings required by WP:MOS. Next I'll fix the incorrectly capitalized "I" in the article's title. |
→Circularity: See Wikipedia:Manual of Style (dates and numbers). This is a case where failure to note one of the EXCEPTIONS causes a problem in understanding the article. |
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:<math>f_\text{circ} = \frac {4 \pi A} {P^2}</math>
The circularity of a circle is 1<!-- The number 1. NOT "...is one of them" -->, and much less than one for a [[starfish]] footprint. The reciprocal of the circularity equation is also used, such that ''f''<sub>circ</sub> varies from one for a circle to infinity.
===Elongation shape factor===
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