## Practical Mathematics: Instruction Paper, Volume 3American school of correspondence, 1912 |

### Common terms and phrases

altitude base called characteristic circle circumference column cone conical surface cube root cubic curve shows cylinder decimal point denominator divided dividend division divisor example feet long feet per second figure Find the area Find the cube Find the logarithm Find the number Find the square Find the volume fraction gives horizontal axis horizontal values horsepower hypotenuse kilowatt lateral area logarithm mantissa miles per hour Move the slide multiplied number of digits number of sides obtained P₁ parallelogram parallelopiped parenthesis perpendicular Plot the curve polygon prism PROBLEMS FOR PRACTICE proportion pulley pyramid quadrilateral quantity quotient radius Remove the parentheses rhombus right angles right triangle scale slant height slide rule SOLUTION spaces sphere square root straight line subtracting surface tangent term total area Transposing tungsten vertex vertical axis vertical values whole number zero

### Popular passages

Page 126 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.

Page 115 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.

Page 105 - Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.

Page 115 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre of the circle.

Page 135 - If the characteristic is negative, make the number of zeros between the decimal point and the first significant figure of the corresponding number one less than the number of units in the characteristic.

Page 125 - The altitude of a cone is the perpendicular distance from the vertex to the base.

Page 135 - If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.

Page 133 - The logarithm of the root of a number is found by dividing the logarithm of the number by the index of the root.

Page 87 - ... subtract the product from the dividend, and to the remainder annex the next period for the next dividend.

Page 106 - Polygons are classified according to the number of sides. A triangle is a polygon of three sides. A quadrilateral is a polygon of four sides. A pentagon is a polygon of five sides. A hexagon is a polygon of six sides.