Printers' Arithmetic

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Chicago typothetae school of printing, 1917 - Arithmetic - 136 pages
 

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Page 61 - The square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the other two sides.
Page 12 - So likewise, 12 is a common multiple of 2, 3, 4, and 6, because it is divisible by each of them. The least common multiple of two or more numbers, is the least number which they will separately divide without a remainder.
Page 133 - Find the greatest cube in the left hand period, and place its root in the quotient.
Page 134 - It is intended to be, and is very nearly, one ten-millionth part of the distance from the equator to the pole, measured on the earth's surface.
Page 132 - To find the convex surface of a frustum of a pyramid or of a cone. 1. What is the convex surface of a frustum of a square pyramid, whose slant height is 7 feet, each side of the greater base 4 feet, and of the less base 18 inches?
Page 58 - The square root of a number is one of the two equal factors of the number.
Page 13 - A fraction is one or more of the equal parts of a unit...
Page 133 - To find the solidity of a cylinder. RULE. — Multiply the area of the base by the altitude, and the product will be the solidity.
Page 12 - The GREATEST COMMON DIVISOR OF TWO OR MORE NUMBERS is the largest number which is a divisor of each of them.
Page 133 - Find the area of the two ends of the frustum ; multiply these two areas together, and extract the square root of the product. To this root add the two areas, and multiply their sum by one third of the altitude of the frustum; the product will be the solidity.

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