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 207
... chord = 15.708 in . 78.54 sq . in . Ans . 6. Arc of 90 ° in a circle whose radius is 10 in . Area of sector Area of triangle of ( 10 × 10 ) sq . in . = 50 sq . in .; area of = = segment 78.54 sq . in . - 50 8. R2 x 3.1416 . Ans . in ...
... chord = 15.708 in . 78.54 sq . in . Ans . 6. Arc of 90 ° in a circle whose radius is 10 in . Area of sector Area of triangle of ( 10 × 10 ) sq . in . = 50 sq . in .; area of = = segment 78.54 sq . in . - 50 8. R2 x 3.1416 . Ans . in ...
Σελίδα 251
... chord six times . Two of these divisions of the circum- ference will make arcs of 120 ° , the chords of three of these form- ing the sides of an inscribed equilateral triangle . 90. Each of the six angles at the center contains 60 ...
... chord six times . Two of these divisions of the circum- ference will make arcs of 120 ° , the chords of three of these form- ing the sides of an inscribed equilateral triangle . 90. Each of the six angles at the center contains 60 ...
Σελίδα 257
... chord in 13 , would , if produced , pass through the center of the circle . From this previous knowledge , they will doubtless be able to answer the last question of 15 . The scholars that have drawn the chord in dividing the sector in ...
... chord in 13 , would , if produced , pass through the center of the circle . From this previous knowledge , they will doubtless be able to answer the last question of 15 . The scholars that have drawn the chord in dividing the sector in ...
Σελίδα 260
... answering instead . This problem amounts to the bisection of an arc of 180 ° , of which only the chord XM is drawn , A being the center of the circle . 34. The first two divisions of this problem are reviews 260 MANUAL FOR TEACHERS.
... answering instead . This problem amounts to the bisection of an arc of 180 ° , of which only the chord XM is drawn , A being the center of the circle . 34. The first two divisions of this problem are reviews 260 MANUAL FOR TEACHERS.
Σελίδα 266
... radius , and draw the arc Aa ; then take Y as a center and the same radius , and draw the arc Cc . The angle X is measured by the arc AB , the length of whose chord is determined by means of the 266 MANUAL FOR TEACHERS.
... radius , and draw the arc Aa ; then take Y as a center and the same radius , and draw the arc Cc . The angle X is measured by the arc AB , the length of whose chord is determined by means of the 266 MANUAL FOR TEACHERS.
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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.