The Arithmetical Manual

The Arithmetical Manual

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Circle. To find the area of a circle, Multiply half of the circumference by half of the diameter, or multiply the circumference ... If a man weighing 120 lbs. rest on the end of a lever 8 ft. long, what weight will he balance on the other end, supposing anbsp;...

Title:The Arithmetical Manual
Author:Samuel Read Hall
Publisher: - 1832


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