A New and Easy Introduction to the Mathematics: Containing. A system of theoretical and practical arithmetic. Rules for the mensuration of superfices and solids. Rules for solving a number of useful and interesting mathematical, philosophical, and chronological problems. A collection of interesting mathematical questions for exercise. Useful tables, &c. Designed for the use of schools, academies, and private learners. I.. II.. III.. IV.. V.W. & M. Yale, 1831 - 396 páginas |
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Página 315
... sides the legs . * 8. A figure that is bounded by four straight lines , or sides , is called a quadrangle , or a quadrilateral . 9. A parallelogram is a quadrilateral which has both its pairs of opposite sides parallel ; and it takes ...
... sides the legs . * 8. A figure that is bounded by four straight lines , or sides , is called a quadrangle , or a quadrilateral . 9. A parallelogram is a quadrilateral which has both its pairs of opposite sides parallel ; and it takes ...
Página 316
... sides , are , in general , called polygons ; and they receive other par- ticular names , according to the number of their sides . Thus , a pentagon is a polygon of five sides ; a hexigon , of six sides ; a heptagon , of seven sides ...
... sides , are , in general , called polygons ; and they receive other par- ticular names , according to the number of their sides . Thus , a pentagon is a polygon of five sides ; a hexigon , of six sides ; a heptagon , of seven sides ...
Página 317
... sides . Note 2 - In finding the contents of superficies , the area will always be of the same name as the dimensions ... sides of a right angled triangle being given , to find the other side . RULE . * - 1 . When the base and ...
... sides . Note 2 - In finding the contents of superficies , the area will always be of the same name as the dimensions ... sides of a right angled triangle being given , to find the other side . RULE . * - 1 . When the base and ...
Página 318
... sides 6 rods , what is the remain- ing side ? Ans . 8 rods . PROBLEM III . To find the area of a right angled ... sides of the triangle are given , the area may be found as follows : From half the sum of the three sides subtract each ...
... sides 6 rods , what is the remain- ing side ? Ans . 8 rods . PROBLEM III . To find the area of a right angled ... sides of the triangle are given , the area may be found as follows : From half the sum of the three sides subtract each ...
Página 319
... sides , and the length of a perpendicular drawn from the centre of the figure to the middle of one of its sides , and half of the last product will be the area sought . Ex 1. To find the area of a regular pentagon , each of the 5 sides ...
... sides , and the length of a perpendicular drawn from the centre of the figure to the middle of one of its sides , and half of the last product will be the area sought . Ex 1. To find the area of a regular pentagon , each of the 5 sides ...
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A New and Easy Introduction to the Mathematics (Classic Reprint) Ira Wanzer Sin vista previa disponible - 2017 |
A New and Easy Introduction to the Mathematics (Classic Reprint) Ira Wanzer Sin vista previa disponible - 2017 |
Términos y frases comunes
acres amount of $1 annex annuity annum answer Arithmetic assumed numbers Avoirdupois Bought breadth bush bushels ciphers column common compound interest contains cost cube root currency decimal point defective divisor denotes diameter difference dividend division dollars Dominical Letter equal EXAMPLES federal money foregoing frustum gain gallons given number given quantity given sum greater least common multiple left hand length lower denominations measure method miles minuend mixed number months multiplicand multiply neat weight Note number of days number of terms Operation ounces payment pence piastres pounds present worth principal PROB PROBLEM question quotient figure rate per cent ratio Reduce remainder right hand figure Rule of Three second terms shillings sides simple interest solid content square root subtract subtrahend tare third term tion triangle vulgar fraction whole numbers yards of cloth
Pasajes populares
Página 69 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Página 70 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Página 234 - To reduce an improper fraction to its equivalent whole or mixed number. RULE. — Divide the numerator by the denominator, and the quotient will be the whole or mixed number sought.
Página 235 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Página 291 - IS the method of finding what quantity of e'ach of the ingredients, whose rates are given, will compose a mixture of a given rate; so that it is the reverse of alligation medial, and may be proved by it. CASE.
Página 356 - The power is applied to the circumference of the wheel, and the weight to the circumference of the axle.
Página 190 - But if any payments be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation, for one year, add- it to the principal, and compute the interest on the sum paid, from the time it was paid...
Página 283 - Take a series of as many terms, decreasing by 1, from the given number, out of which the election is to be made, and find the product of all the terms.
Página 272 - When four quantities are in arithmetical proportion, the sum of the extremes is equal to the sum of the two mean terms.
Página 241 - To reduce any given quantity to the fraction of any greater denomination of the same kind. RULE. — Reduce the given quantity to the lowest term mentioned for a.