The Werner Arithmetic: Oral and Written, Βιβλίο 3American Book Company, 1898 |
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Αποτελέσματα 1 - 5 από τα 26.
Σελίδα 17
... length of its side by 4 . ( b ) To find the perimeter of an oblong when its length and breadth are given . Then 2a Let a = the length . Let b = the breadth . 2b , or ( a + b ) × 2 = the perimeter . Hence the rule : To find the perimeter ...
... length of its side by 4 . ( b ) To find the perimeter of an oblong when its length and breadth are given . Then 2a Let a = the length . Let b = the breadth . 2b , or ( a + b ) × 2 = the perimeter . Hence the rule : To find the perimeter ...
Σελίδα 19
... length , but neither breadth nor thickness . NOTE . - Lines drawn upon paper or upon the blackboard are not geometrical lines , since they have breadth and thickness . They represent geometrical lines . 25. A straight line is the ...
... length , but neither breadth nor thickness . NOTE . - Lines drawn upon paper or upon the blackboard are not geometrical lines , since they have breadth and thickness . They represent geometrical lines . 25. A straight line is the ...
Σελίδα 46
... length of a rectangular field is 15 rd . 10 ft . and the width 9 rd . 8 ft . What is the perimeter of the field ? 4. There is a walk 5 feet wide around a rectangular grass plat 3 rd . 6 ft . by 2 rd . 10 ft . What is the outside ...
... length of a rectangular field is 15 rd . 10 ft . and the width 9 rd . 8 ft . What is the perimeter of the field ? 4. There is a walk 5 feet wide around a rectangular grass plat 3 rd . 6 ft . by 2 rd . 10 ft . What is the outside ...
Σελίδα 100
... length of a certain rectangular field is three times its breadth ; its perimeter is 360rd . What is its breadth ? its length ? NOTE . If its breadth is x feet then its length is 3x feet , and its perimeter is 2x + 6x feet . Then , 2x + ...
... length of a certain rectangular field is three times its breadth ; its perimeter is 360rd . What is its breadth ? its length ? NOTE . If its breadth is x feet then its length is 3x feet , and its perimeter is 2x + 6x feet . Then , 2x + ...
Σελίδα 109
... length of the included side * are given , the triangle may be drawn . 2. Draw a triangle making one of the angles 40 ° , another 60 ° , and the included side 5 inches long . The third angle should measure degrees . Prove your work by ...
... length of the included side * are given , the triangle may be drawn . 2. Draw a triangle making one of the angles 40 ° , another 60 ° , and the included side 5 inches long . The third angle should measure degrees . Prove your work by ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres Algebra altitude base bicycle geared bought bushel cent centimeters circle circumference common fraction contained cord cubic centimeters cubic feet cubic foot decimal order decimal places decimeter diameter discount Divide dividend dollars equal exact divisor exactly divisible EXAMPLE Explanation Express the ratio feet long figure Find the amount Find the approximate Find the area Find the interest Find the sum five results gain Geometry greatest common divisor hundred hundredths improper fraction inches wide integral number kilograms meters mile minuend multiplicand multiply a number Observe Operation perimeter piece of land pounds primary units prime factors prime number PROBLEMS pupil pupils image rectangle rectangular rhomboid rhombus right angles second order side simplest form smaller number sold solid content specific gravity square rods square root subtract tenths third order thousandths trapezium trapezoid triangle twelve products weight
Δημοφιλή αποσπάσματα
Σελίδα 256 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 252 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 110 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 241 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 224 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg...
Σελίδα 233 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 205 - The cube root of a number is one of its three equal factors. Thus, 4 is the cube root of 64.
Σελίδα 17 - Known numbers, or those that may be known without solving a problem, when not expressed by figures, are usually represented by the first letters of the alphabet; as, a, b, c, d.
Σελίδα 196 - Ibs., how much will the half of a solid 5-inch globe weigh, the material being of the same quality ? 291. MAGNITUDES WHICH ARE INVERSELY PROPORTIONAL TO OTHER MAGNITUDES OR TO THE SQUARES OF OTHER MAGNITUDES. EXAMPLE. If 5 men do a piece of work in 16 days, how long will it take 8 men to do a similar piece of work ? OPERATION AND EXPLANATION. It is evident that the time required will be inversely proportional to the number of men employed ; that is, if twice as many men are employed, not twice as...
Σελίδα 19 - Lines drawn upon paper or upon the blackboard are not geometrical lines, since they have breadth and thickness. They represent geometrical lines. 25. A straight line is the shortest distance from one point to another point. 26. A curved line changes its direction at every point. 27. A broken line is not straight, but is made up of straight lines. 1. The line AB is a - — . 2. The line CD is a — . 3. The line EF is a — . 4.