The New American Arithmetic, Μέρος 3E.H. Butler & Company, 1877 |
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Σελίδα 109
... triangle A B C. In a right triangle , the side opposite to the right angle is called the Hypotenuse , and the side which forms a right angle with the base is called the Perpendicular . In the preceding right triangle , A B is the ...
... triangle A B C. In a right triangle , the side opposite to the right angle is called the Hypotenuse , and the side which forms a right angle with the base is called the Perpendicular . In the preceding right triangle , A B is the ...
Σελίδα 110
... triangle , the equal sides measuring 30 rods each , and the remaining side 20 rods ? 8. The base of a right triangle is 27 chains , and the perpendicular is 36 chains ; what is the area ? 9. A field 160 feet in length , and 120 feet in ...
... triangle , the equal sides measuring 30 rods each , and the remaining side 20 rods ? 8. The base of a right triangle is 27 chains , and the perpendicular is 36 chains ; what is the area ? 9. A field 160 feet in length , and 120 feet in ...
Σελίδα 111
... triangle , in which 60 ft . and 80 ft . are the lengths of the remaining sides . √602 + 802 = √ / 10000 = 100 ft . , hypotenuse . 2. Find the height of the tower in the last example , having given the hypotenuse 100 ft . , and the ...
... triangle , in which 60 ft . and 80 ft . are the lengths of the remaining sides . √602 + 802 = √ / 10000 = 100 ft . , hypotenuse . 2. Find the height of the tower in the last example , having given the hypotenuse 100 ft . , and the ...
Σελίδα 114
... triangles by a diagonal line ; the sum of the areas of these triangles will be the area of the trapezium . 1. A ... triangle when the three sides are given , we find the area of one of the triangles = 160 x 30 x 20 x 10 = 1 / 360000 ...
... triangles by a diagonal line ; the sum of the areas of these triangles will be the area of the trapezium . 1. A ... triangle when the three sides are given , we find the area of one of the triangles = 160 x 30 x 20 x 10 = 1 / 360000 ...
Σελίδα 118
... triangle ? 4. A field in the form of a rectangle is divided into two triangles by a diagonal line which measures 10 rods ; the sides of the rectangle are 6 and 8 rods , respectively ; what is the area of one of the triangles ? 5. The ...
... triangle ? 4. A field in the form of a rectangle is divided into two triangles by a diagonal line which measures 10 rods ; the sides of the rectangle are 6 and 8 rods , respectively ; what is the area of one of the triangles ? 5. The ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
50 cents 60 days acres altitude amount ANALYSIS.-We annuity barrel base bill bonds bought bushel capital carats cash cents cipher circle circulating decimal circumference commission common difference common fraction complete divisor compound interest contained convex surface COPPÉE'S cost cube root cubic feet cubic foot currency cylinder denomination diameter discount dividend dollars EPES SARGENT equal factors figure flour frustum gain gallons given number gold hypotenuse inches income increasing series interest of $1 invested last term length measures merchant miles Milreis months Multiply number denoting number of terms ORAL EXERCISES paid parallelogram payable payment pounds premium present worth principal proceeds quantity quotient ratio receive Reduce repetend rhombus rods RULE sell share sides slant height sold square root subtract thickness trapezium trial divisor triangle units weight WRITTEN EXERCISES yards yield
Δημοφιλή αποσπάσματα
Σελίδα 97 - The square of two figures is equal to the square of the tens, plus twice the product of the tens by the units, plus the square of the units.
Σελίδα 138 - How many cubic yards of earth must be .removed in digging a cellar 36 ft.
Σελίδα 181 - Sixty days after sight of this FIRST of EXCHANGE (Second and Third of same tenor and date unpaid...
Σελίδα 107 - A plane surface, or a plane, is a surface in which, if any two points are taken, the straight line joining these points lies wholly in the surface.
Σελίδα 109 - RULE. — From half the sum of the three sides, subtract each side separately; multiply the half -sum and the three remainders together; the square root of the product is the area.
Σελίδα 132 - Write the multiplier under the multiplicand so that units of the same order shall stand in the same column.
Σελίδα 46 - A ^Promissory Note is a written promise to pay a certain sum of money, at a specified time, for value received.
Σελίδα 94 - The cube of a number consisting of TENS and UNITS is equal to the cube of the tens...
Σελίδα 113 - To find the area of a trapezoid. RULE. — Multiply half the sum of the parallel sides by the altitude, and the product is the area.
Σελίδα 84 - Multiply each debt by its term of credit, and divide the sum of the products by the sum of the debts. The quotient will be the average term of credit.