The Werner Arithmetic: Oral and Written, Βιβλίο 3American Book Company, 1898 |
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Σελίδα
... Angle a is an angle of 55 ° . Angle b is an angle of 60 ° . a b 10 180 10 170 160 30 160 40 140 130 60 60 120 110 70 80 The Werner arithmetic Frank H. Hall OZ 08 091 091 о 081 a Measure angle c . ARITHMETIC ORAL AND WRITTEN BOOK THREE ...
... Angle a is an angle of 55 ° . Angle b is an angle of 60 ° . a b 10 180 10 170 160 30 160 40 140 130 60 60 120 110 70 80 The Werner arithmetic Frank H. Hall OZ 08 091 091 о 081 a Measure angle c . ARITHMETIC ORAL AND WRITTEN BOOK THREE ...
Σελίδα 7
... angles , surfaces , and solids . Measurement makes number necessary . Primarily , number signifies ratio . The number six suggests that some magnitude , A , is six times some other magnitude , B ; and , con- versely , that the magnitude ...
... angles , surfaces , and solids . Measurement makes number necessary . Primarily , number signifies ratio . The number six suggests that some magnitude , A , is six times some other magnitude , B ; and , con- versely , that the magnitude ...
Σελίδα 29
... angle efg is an angle of 90 degrees , called also a right angle . The angle abc is an angle of 90 degrees . The angle hlk is an angle of 45 degrees . e f g h k 66. All the angles about a point together equal four right angles . 67 ...
... angle efg is an angle of 90 degrees , called also a right angle . The angle abc is an angle of 90 degrees . The angle hlk is an angle of 45 degrees . e f g h k 66. All the angles about a point together equal four right angles . 67 ...
Σελίδα 30
... angle abd is an angle of about degrees . The angle dbc is an angle of degrees . The angle abd + the angle dbc = the angle abc . The angle abc is an angle of b degrees . m 2. The angle mln is an angle of about degrees . - The angle nls is an ...
... angle abd is an angle of about degrees . The angle dbc is an angle of degrees . The angle abd + the angle dbc = the angle abc . The angle abc is an angle of b degrees . m 2. The angle mln is an angle of about degrees . - The angle nls is an ...
Σελίδα 39
... angles are formed by the lines , the two lines are said to be perpendicular to each other . 2. Two lines side by side extending in the same direction are said to be parallel . 3. Of the lines ... angle formed by a BOOK THREE - PART I. 39.
... angles are formed by the lines , the two lines are said to be perpendicular to each other . 2. Two lines side by side extending in the same direction are said to be parallel . 3. Of the lines ... angle formed by a BOOK THREE - PART I. 39.
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres Algebra Algebraic Fractions altitude annual Avoirdupois bicycle geared bonds bought bushel cent centimeters circle circumference common fraction contained cord corn cube cubic centimeters cubic feet cubic foot decimal order decimeter described in problem diameter discount Divide dividend dollars equal Estimate exact divisor exactly divisible EXAMPLE Explanation Express the ratio feet long figure Find the amount Find the approximate Find the area Find the cost Find the interest Find the sum five results gain hundred hundredths inches wide integral number least common multiple meters miles minuend MISCELLANEOUS REVIEW multiply a number NOTE NOTE.-The nutritive ratio Observe Operation perfect squares perimeter piece of land pound primary units prime factors pupil pupils image rectangular rhomboid rhombus right angles side sold solid content specific gravity square root subtract tenths thousandths triangle twelve products Verify weight
Δημοφιλή αποσπάσματα
Σελίδα 256 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 110 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 233 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 101 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα 96 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 252 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 205 - The cube root of a number is one of its three equal factors. Thus, 4 is the cube root of 64.
Σελίδα 196 - ... 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 much, but $ as much time will be required.
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 £Fis a . 4.
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...