A Grammar Shcool ArithmeticGinn, 1886 - 372 σελίδες |
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Σελίδα 302
... centre , with an opening of the compasses sufficiently great , describe an arc , cutting AB at E and F. From E and Fas centres , with the same opening of the compasses , describe two arcs intersecting at D. A line drawn through the ...
... centre , with an opening of the compasses sufficiently great , describe an arc , cutting AB at E and F. From E and Fas centres , with the same opening of the compasses , describe two arcs intersecting at D. A line drawn through the ...
Σελίδα 303
... centre . 358. The radius is the distance OA from the centre O to any point of the circumference ( Fig . 16 ) . A FIG . 15 . 359. The diameter is a straight line passing through the centre and terminated by the cir- cumference , as BOC ...
... centre . 358. The radius is the distance OA from the centre O to any point of the circumference ( Fig . 16 ) . A FIG . 15 . 359. The diameter is a straight line passing through the centre and terminated by the cir- cumference , as BOC ...
Σελίδα 304
... centre . Let AB and CD be two equal chords in the two equal circles whose centres are O and Q. It is required to show that the perpendicular OE let fall from the centre O upon AB is equal to the perpendicular QF let fall from the centre ...
... centre . Let AB and CD be two equal chords in the two equal circles whose centres are O and Q. It is required to show that the perpendicular OE let fall from the centre O upon AB is equal to the perpendicular QF let fall from the centre ...
Σελίδα 305
... centre O and intersects the chord in D. It is required to show AD = DB , M arc AM arc MB , arc AN arc NB . A B N FIG . 19 . Turn the semicircle NAM about MN as an axis until it falls upon the semicircle NBM . Then , since ODA and ODB ...
... centre O and intersects the chord in D. It is required to show AD = DB , M arc AM arc MB , arc AN arc NB . A B N FIG . 19 . Turn the semicircle NAM about MN as an axis until it falls upon the semicircle NBM . Then , since ODA and ODB ...
Σελίδα 306
... centre , the radii thus obtained will divide likewise into equal parts every circumference that has the same centre as the given circumference . Consider for example the two concentric circumferences ABCD and abed . If the arcs AB , BC ...
... centre , the radii thus obtained will divide likewise into equal parts every circumference that has the same centre as the given circumference . Consider for example the two concentric circumferences ABCD and abed . If the arcs AB , BC ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude amount angle barrel bought bushels called centimeters centre circle circumference common fraction compound interest contains cube root cubic cubic centimeter cubic foot decimal point denominator diameter digits discount divided dividend divisor dollars equal expressed factors feet figure Find the cost Find the G. C. M. Find the number Find the value flour four frustum gain gallon Hence horses hour hundred hundredths improper fraction inches integral number invested least common multiple length longitude measure merchant meter miles minuend mixed number multiplicand multiplier nine paid parallelogram perpendicular polygon pounds quantity quart quotient rate per cent ratio received Reduce remainder rods selling sides slant height sold specific gravity square root straight line Subtract subtrahend surface tens thousand thousandths triangle units weight whole number wide worth yards
Δημοφιλή αποσπάσματα
Σελίδα 192 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 122 - To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator.
Σελίδα 328 - A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre.
Σελίδα 320 - The area of a circle is equal to one-half the product of its circumference and radius.
Σελίδα 182 - 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 140 - Subtract the numerator of the subtrahend from the numerator of the minuend.
Σελίδα 174 - 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 305 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Σελίδα 300 - Any point in the perpendicular is equally distant from the extremities of the line.
Σελίδα 184 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt.) 4 quarts = 1 gallon (gal.) 31| gallons = 1 barrel (bbl.) 2 barrels = 1 hogshead (hhd...