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As 7 is to 22, so is the diameter to the circumference, and as 22 is to 7, so is the circumference to the diameter.
Cyclopedia of Architecture: Historical, Descriptive, Typographical ... - Page 284
by Robert Stuart - 1854

## The Accomplished Tutor: Or, Complete System of Liberal Education ..., Volume 1

Thomas Hodson - Education - 1806
...FROM THE OTHER. RULE i. As 7 is to 22, fo is the diameter to the circumference.—As 22 is to 7, fo is the circumference to the diameter. RULE 2. As 113 is to 355, fo is the diameter to the circumference.—As 355 is to 113, fo is the circumference to the diameter....

## Mathematics, Volume 1

Samuel Webber - Mathematics - 1808
...of the greatest mathematician* f«r ages, and has been the occasion of so many endless disputesRULE 2. As 113 is to 355, so is the diameter to the circumference. As 355 is to 113, so 5s the circumference to the diameter. Several persons of considerable eminence have, at different...

## The principles of architecture, Volume 1

Peter Nicholson - 1809
...to find the diameter. METHOD I. As 7 is to 22, so is the diameter to the circumference nearly; or, as 22 is to 7, so is the circumference to. the diameter nearly. EXAMPLE 1. What is the circumference of a circle, whose diameter is IZfeett 7 : 22 :: 12 12...

## The complete measurer: or, The whole art of measuring, containing the ...

Thomas Keith - 1817
...diameter to the circumference. Or, as 1 is to 3'14lG, so is the diameter to the circumference. II. As 22 is to 7, so is the circumference to the diameter. Or, as 355 is to 113, so is the circumference to the diameter. Or, as 3• 141 6 is to 1, so is the...

## Hawney's Complete Measurer: Or, The Whole Art of Measuring. Being a Plain ...

William Hawney - Geometry - 1820 - 312 pages
...diameter to the circumference. •4 Or, as 1 is to 3.1416, so is the diameter to the circumference. 2. As 22 is to 7, so is the circumference to the diameter. Or, as 355 is to 113, so is the circumference to the diameter. Or, as 3.1416 is to 1, sa is the circumference...

## A Treatise on Practical Gauging

...circumference to Jind the diameter. RULE I. By the Pen. ' is to 22, so is the diameter to the circumference : 22 is to 7, so is the circumference to the diameter. RULE II. Itiply the diameter by 3.1416, and the product will e circumference: or, divide the circumference...

## The Scholar's Arithmetic: Designed for the Use of Schools in the United States

Jacob Willetts - Arithmetic - 1822 - 191 pages
...diameter to the circumference ; Or, as 1 is to 3. 1416, so is the diameter to tlifi circumference. II. As 22 is to 7, so is the circumference to the diameter ; Or; as 3. 1416 is to 1, so is the circumference to the diameter. III. .Multiply half the circumference...

## A New and Concise System of Arithmetick: Containing Vulgar, Decimal, and ...

Beriah Stevens - Arithmetic - 1822 - 423 pages
...has not yet been discovered. PROBLEM 13. By having the circumference to find the diameter. RULES. 1. As 22 is to 7, so is the circumference to the diameter. 2. As 355 is to 113, so is the circumference to the diameter* 3. As 3,1416 is to 1, so is the circumference...