Loftus's inland revenue officer's manual

Loftus's inland revenue officer's manual

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The circumference of a circle being given, to find the diameter : a€” Rule (1). ... If the circumference be 91.106, what is the diameter ? ... the circumference is obtained from the diameter by multiplying the latter by 3.14159 ; and since the radius is half the diameter, we have as an expression for the area of the circle, a€” Diaro.

Title:Loftus's inland revenue officer's manual
Author:William Harris Johnston
Publisher: - 1865


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