Essentials of Arithmetic, Oral and WrittenAmerican book Company, 1907 - 324 σελίδες |
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Σελίδα 232
John William McClymonds, David Rhys Jones. 281. Area of a Circle . 1. A circle may be regarded as com- posed of an infinite number of triangles , the sum of whose bases is the circumfer- ence of the circle and whose altitude is the radius ...
John William McClymonds, David Rhys Jones. 281. Area of a Circle . 1. A circle may be regarded as com- posed of an infinite number of triangles , the sum of whose bases is the circumfer- ence of the circle and whose altitude is the radius ...
Σελίδα 294
... sum of the areas of the triangles formed by its radii and sides . The apothem is the altitude of each of the triangles , and the perimeter is the sum of the bases ... a circle is one half the product of its radius and circumference . Compare ...
... sum of the areas of the triangles formed by its radii and sides . The apothem is the altitude of each of the triangles , and the perimeter is the sum of the bases ... a circle is one half the product of its radius and circumference . Compare ...
Άλλες εκδόσεις - Προβολή όλων
Essentials of Arithmetic, Oral and Written John William McClymonds,David Rhys Jones Πλήρης προβολή - 1907 |
Essentials of Arithmetic, Oral and Written John William McClymonds,David Rhys Jones Πλήρης προβολή - 1907 |
Essentials of Arithmetic, Oral and Written John William McClymonds Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2012 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 objects acres addend altitude bank board foot bought broom corn called cent centimeters circle circumference common fraction contains cube cubic dealer decimal point denominator diagram diameter discount Divide dividend divisor equal equation exactly divisible expressed factor farm farmer feet Find the amount Find the area Find the cost Find the number foot fractional unit Frank Adams improper fractions integer JONES'S ESSEN least common multiple length meridian meter minuend mixed numbers MODEL month Multiply Name number of days number of square Oral Exercises paid payment places pound primary units prime meridian principal meridian prism profit proper fractions pupils quantity quotient figure ratio received rectangle regular polygon represent right angles right triangle schoolroom selling price Show sold Solve square inches square root Subtract surface taxes township weight whole number Written Exercises yard
Δημοφιλή αποσπάσματα
Σελίδα 316 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.
Σελίδα 160 - ... thick ? To find the number of board feet in a piece of lumber, multiply the number of board feet in one foot of the length by the number of feet in the length of the piece. 5. Find the number of board feet in 16 pieces of 3
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 315 - Square Measure 144 square inches = 1 square foot 9 square feet = 1 square yard 30J square yards = 1 square rod 160 square rods = 1 acre 640 acres = 1 square mile Cubic Measure 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard 128 cubic feet...
Σελίδα 247 - Which proves that the square of a number composed of tens and units contains, the square of the tens plus twice the product of the tens by the units, plus the square of the units.
Σελίδα 78 - 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 229 - Hence, the area of a trapezoid is equal to the product of its altitude by the line connecting the middle points of the sides which are not parallel.
Σελίδα 31 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 113 - In the fraction |, which term tells the number of equal parts into which the unit has been divided ? How many of the equal parts are expressed in the fraction ? Write a fraction expressing twice as many equal parts. 2. Draw a diagram to show what part of a mile is expressed in | mi. Show the part that represents f mi.