Hopkins and Underwood's New Arithmetics: Advanced BookMacmillan, 1907 - 350 σελίδες |
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Σελίδα 88
... radius . A straight line drawn through the center and ter- minated by the circumference is called a diameter . The lines AB and CD are diameters . Any portion of a circum- ference is called an arc . mn is an arc . B C D m A An arc equal ...
... radius . A straight line drawn through the center and ter- minated by the circumference is called a diameter . The lines AB and CD are diameters . Any portion of a circum- ference is called an arc . mn is an arc . B C D m A An arc equal ...
Σελίδα 269
... radius . c = circumference . d = diameter . T The ratio of the circumference of a circle to its diameter is ... radius is 67 . 2. The diameter is 46 . 7 . The radius is 86 . 3. The diameter is 150 . 8 . The radius is 3.6 . 4. The ...
... radius . c = circumference . d = diameter . T The ratio of the circumference of a circle to its diameter is ... radius is 67 . 2. The diameter is 46 . 7 . The radius is 86 . 3. The diameter is 150 . 8 . The radius is 3.6 . 4. The ...
Σελίδα 270
... radius . ( 2 ) Multiply the square of the radius by π . ( 3 ) Multiply the square of the diameter by ‡ π . There is a fourth rule for finding the area of a circle . с c = 2 πr . r = 2π × c2 = .07958 c2 . 4 π πr2 = π X 02 4 π2 = 1 That ...
... radius . ( 2 ) Multiply the square of the radius by π . ( 3 ) Multiply the square of the diameter by ‡ π . There is a fourth rule for finding the area of a circle . с c = 2 πr . r = 2π × c2 = .07958 c2 . 4 π πr2 = π X 02 4 π2 = 1 That ...
Σελίδα 271
... radius of the circle . SOLUTION . ... 3.14162 = 535.08 . πr2 = C. .. p2 = 535.08 = 170.31 . 3.1416 ... r = 13.05 , nearly . Example 2. Given the area of a circle equal to 658.98 , find the circumference of the circle . SOLUTION . .07958 ...
... radius of the circle . SOLUTION . ... 3.14162 = 535.08 . πr2 = C. .. p2 = 535.08 = 170.31 . 3.1416 ... r = 13.05 , nearly . Example 2. Given the area of a circle equal to 658.98 , find the circumference of the circle . SOLUTION . .07958 ...
Σελίδα 272
... radius of the circle is 12 , find the areas of ABCD , MNRS , and of the circle . 18. If the diameter of a circle is 34 in . , find the difference between the area of the circle and of the square described in the circle . 19. If the ...
... radius of the circle is 12 , find the areas of ABCD , MNRS , and of the circle . 18. If the diameter of a circle is 34 in . , find the difference between the area of the circle and of the square described in the circle . 19. If the ...
Άλλες εκδόσεις - Προβολή όλων
Hopkins and Underwood's New Arithmetics: 1st- Book, Τόμος 1 John William Hopkins Πλήρης προβολή - 1907 |
Hopkins and Underwood's New Arithmetics: 1st- Book, Τόμος 1 John William Hopkins Πλήρης προβολή - 1907 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude angle barrel board feet board foot bought bushel buys called carload circumference coal contains cubic foot decimal point denominator diameter digits discount Divide dividend divisor dollars equal exactly divisible Example EXERCISE figures Find the amount Find the area Find the cost Find the difference Find the number Find the price Find the value Find the weight fraction gain per cent Galveston hundred hundredths inches integer interest Least Common Multiple long tons longitude marked price MEASURE meter minute spaces moving the decimal Multiply number expressed o'clock pounds premium prime factors prime meridian profit quantity quarts quotient rate per cent ratio rectangle Reduce right triangle selling price short tons sold SOLUTION square miles square root square yards Subtract ten-thousandths thousand thousandths tons units wheat Write
Δημοφιλή αποσπάσματα
Σελίδα 84 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 90 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 85 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 202 - The first and fourth terms of a proportion are called the extremes, and the second and third terms are called the means, of the proportion.
Σελίδα 327 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq.
Σελίδα 91 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Σελίδα 85 - 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 282 - The volumes of similar solids are to each other as the cubes of their like dimensions.