A Complete Arithmetic ...Werner School Book Company, 1899 - 447 σελίδες |
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Σελίδα 179
... 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 given above ... angle that is equal PART II . 179.
... 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 given above ... angle that is equal PART II . 179.
Σελίδα 180
... angle , is an angle of degrees . 2. The angle ADB is an angle of grees . 3. If from a right angle , an angle of 30 degrees be taken , the remaining angle is an angle of degrees . A B de- D E F H G 4. The angle FHG is an angle of de ...
... angle , is an angle of degrees . 2. The angle ADB is an angle of grees . 3. If from a right angle , an angle of 30 degrees be taken , the remaining angle is an angle of degrees . A B de- D E F H G 4. The angle FHG is an angle of de ...
Σελίδα 189
... angles are less than right angles and two of them are greater than right angles . Convince yourself by cutting a rhomboid from paper and comparing it with rectangular figures that two of the angles of a rhomboid are as much less than ...
... angles are less than right angles and two of them are greater than right angles . Convince yourself by cutting a rhomboid from paper and comparing it with rectangular figures that two of the angles of a rhomboid are as much less than ...
Σελίδα 190
... angles of a rhombus is an angle of 80 degrees , what is the number of degrees in each of the other angles ? 2. Draw a rhomboid one of whose angles is an angle of 70 ; give the number of degrees in each of the other angles . 3. An oblong ...
... angles of a rhombus is an angle of 80 degrees , what is the number of degrees in each of the other angles ? 2. Draw a rhomboid one of whose angles is an angle of 70 ; give the number of degrees in each of the other angles . 3. An oblong ...
Σελίδα 199
... angles . of 1. A triangle has sides and 2. A right triangle has one right angle ; that is , one angle degrees . 3. An isosceles triangle has two angles that are equal and two sides that are equal . 4. An equilateral triangle has equal ...
... angles . of 1. A triangle has sides and 2. A right triangle has one right angle ; that is , one angle degrees . 3. An isosceles triangle has two angles that are equal and two sides that are equal . 4. An equilateral triangle has equal ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
40 rods acres acres of land Algebra altitude bought bushels Change coal COMMON FRACTIONS common multiple contained cords cube cubic centimeters cubic feet cubic foot DECIMAL FRACTIONS decimal order decimeter DENOMINATE NUMBERS diameter discount Divide dividend dollars earn equal exact divisor exactly divisible Express the ratio feet long figure Find the amount Find the area Find the cost Find the interest Find the number Find the product Find the quotient Find the sum foot gain hundred hundredths improper fractions integral number least common multiple less lowest terms means measured meters miles MISCELLANEOUS PROBLEMS multiplicand NOTE number story Observe PERCENTAGE perimeter piece of land pounds prime factors pupil rhombus right angles side sold solid content specific gravity square feet square inches square rods square root square yards subtract tenths third thousandths tons triangle weigh
Δημοφιλή αποσπάσματα
Σελίδα 373 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 250 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 241 - Reduce the dividend and the divisor to like fractional units, then divide the numerator of the dividend by the numerator of the divisor. RULE II. — "Invert the divisor and proceed as in multiplication.
Σελίδα 236 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 381 - 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 392 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 371 - TABLE. 12 inches (in.) = 1 foot (ft.). 3 feet = 1 yard (yd.). 5J yards, or 16| feet — 1 rod (rd.).
Σελίδα 361 - Pupils must learn to think of quantity in metric units. 319. All units in the metric system of measures and weights are derived from the primary unit known as the meter. When the length of the primary unit of this system was determined it was supposed to be one ten-millionth of the distance from the equator to the pole. A pendulum that vibrates seconds is nearly one meter long.* In the names of the derived units of this system the prefix deka means 10; hekto means 100; kilo means 1000; myria means...
Σελίδα 157 - Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, b, c.
Σελίδα 364 - MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram eg. 10 centigrams =1 decigram dg. 10 decigrams =1 gram g. 10 grams =1 decagram Dg. 10 decagrams =1 hectogram Hg. 10 hectograms = 1 kilogram Kg.