Mathematics for Common Schools: A Manual for Teachers, Including Definitions, Principles, and Rules and Solutions of the More Difficult Problems1896 |
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Σελίδα 181
... constructing a square on the diagonal of a square , the pupils will see that the former will be twice as large as the latter ; that is , that a square on the diagonal of the above will contain 6400 sq . rd . , making each side 80 rd ...
... constructing a square on the diagonal of a square , the pupils will see that the former will be twice as large as the latter ; that is , that a square on the diagonal of the above will contain 6400 sq . rd . , making each side 80 rd ...
Σελίδα 194
... constructed on its diagonal 800 sq . rd . x 2 = 1600 sq . rd .; length of the diagonal = √1600 rd . 40 rd . Ans . = 22. See Measurements , Art . 1107 , 7 , for the area of one of the six equal triangles . 23. ( 6 x 3.1416 ) sq . in ...
... constructed on its diagonal 800 sq . rd . x 2 = 1600 sq . rd .; length of the diagonal = √1600 rd . 40 rd . Ans . = 22. See Measurements , Art . 1107 , 7 , for the area of one of the six equal triangles . 23. ( 6 x 3.1416 ) sq . in ...
Σελίδα 195
... constructed on the diameter ; that is , of 100 sq . ft . 25. The area of the sector is that of the circle . Area of circle = 100 x 3.1416 . 1125. 2. See Supplement for the definitions . 3. $ 6.75 is what per cent of $ 2700 ? 6. The note ...
... constructed on the diameter ; that is , of 100 sq . ft . 25. The area of the sector is that of the circle . Area of circle = 100 x 3.1416 . 1125. 2. See Supplement for the definitions . 3. $ 6.75 is what per cent of $ 2700 ? 6. The note ...
Σελίδα 199
... constructing these models than they will obtain by memorizing many pages of definitions or listening to numerous " explanations . ' FIG . 2 . " " 5. The entire surface includes the convex surface and the surface of the bases . = 8. If x ...
... constructing these models than they will obtain by memorizing many pages of definitions or listening to numerous " explanations . ' FIG . 2 . " " 5. The entire surface includes the convex surface and the surface of the bases . = 8. If x ...
Σελίδα 201
... construct an angle of 120 ° at C. 2.8664 FIG . 4 . The convex surface of a cone is equal to the circumference of the base X slant height . An examination of Fig . 4 will show the resemblance between the methods of calculating the ...
... construct an angle of 120 ° at C. 2.8664 FIG . 4 . The convex surface of a cone is equal to the circumference of the base X slant height . An examination of Fig . 4 will show the resemblance between the methods of calculating the ...
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acres algebraic altitude amount angle Annual interest apothem Arithmetic ascertain base bisecting calculate Cancel cent chord circle circumference commission construct contains convex surface cost days of grace decimal deducting diagonal diameter difference Divide dividend divisor draft draw drawn equal equation factors figure frustum gain given gives greatest common divisor hypotenuse Improper Fraction inches intersecting least common multiple length longitude loss March 17 marked price measure method minuend mixed numbers Multiply number of days number of degrees number of square obtain par value payment percentage perpendicular principal problems Proceeds profits protractor pupils quotient radius rectangle remaining rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtract subtrahend teacher term vertex whole number William Simms yards
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Σελίδα 173 - A corporation is an association of a number of persons legally empowered to transact business as a single individual. The charter specifies the name of the corporation, the amount of capital, the business it is authorized to carry on, the powers and privileges conferred, etc. The stock is the money invested in the business of the corporation ; a share is one of the equal parts into which the stock is divided ; a shareholder is the owner of one or more shares ; a stockbroker is a person engaged in...
Σελίδα xix - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Σελίδα viii - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα ii - I. Write the divisor at the left of the dividend, with a line between them.
Σελίδα vi - Multiplying or dividing both terms of a fraction by the same number does not alter the value of the fraction.
Σελίδα 126 - Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.
Σελίδα vii - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Σελίδα iii - RULE. Divide the given number by any prime factor ; divide the quotient in the same manner, and so continue the division until the quotient is a prime number.