Mathematics for Common Schools: A Manual for Teachings, Including Definitions, Principles, and Rules and Solutions of the More Difficult ProblemsD.C. Heath & Company, 1895 - 312 σελίδες |
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Σελίδα 62
... circle , the part dealt with being distinguished by shading . The zealous teacher should not become discouraged at the inability of some members of the class to thoroughly grasp the mathematical principles involved in this and other ...
... circle , the part dealt with being distinguished by shading . The zealous teacher should not become discouraged at the inability of some members of the class to thoroughly grasp the mathematical principles involved in this and other ...
Σελίδα 142
... circle joining the points , and the 20 ° are of a small circle . = 11. 46 ° 22 ′ 30 ′′ 463 ° . The number of miles = 691 × 468 . 12. The approximate length of the 45th parallel is 25000 mi . × .7071 ; the length of a degree on this ...
... circle joining the points , and the 20 ° are of a small circle . = 11. 46 ° 22 ′ 30 ′′ 463 ° . The number of miles = 691 × 468 . 12. The approximate length of the 45th parallel is 25000 mi . × .7071 ; the length of a degree on this ...
Σελίδα 182
... circle . Measure this distance very carefully , also the diameter of the circle , and ascertain the ratio . 12. See Art . 1274 , 6-14 , for the reason for the rule for de- termining the area of a circle . = 13. The circumference ( 2x ...
... circle . Measure this distance very carefully , also the diameter of the circle , and ascertain the ratio . 12. See Art . 1274 , 6-14 , for the reason for the rule for de- termining the area of a circle . = 13. The circumference ( 2x ...
Σελίδα 195
... circle . Area of circle = 100 x 3.1416 . - 1125. 2. See Supplement for the definitions . 3. $ 6.75 is what per cent of $ 2700 ? 6. The note is due April 13 ( 10 ) , 1891 ; the term of discount is 102 ( 99 ) da . 7. Do not place the rate ...
... circle . Area of circle = 100 x 3.1416 . - 1125. 2. See Supplement for the definitions . 3. $ 6.75 is what per cent of $ 2700 ? 6. The note is due April 13 ( 10 ) , 1891 ; the term of discount is 102 ( 99 ) da . 7. Do not place the rate ...
Σελίδα 207
... circle in square yards = of inner circle ( 102 × 3.1416 ) ÷ 9 . = 10. ( 125 × 3.1416 ) sq . ft . 32 ) = ( 152 x 3.1416 ) +9 ; 11. [ ( 6232 ) × 3.1416 ] sq . in . The radius of the outer circle . is 6 in .; of the inner circle , 3 in ...
... circle in square yards = of inner circle ( 102 × 3.1416 ) ÷ 9 . = 10. ( 125 × 3.1416 ) sq . ft . 32 ) = ( 152 x 3.1416 ) +9 ; 11. [ ( 6232 ) × 3.1416 ] sq . in . The radius of the outer circle . is 6 in .; of the inner circle , 3 in ...
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acres algebraic altitude amount angle answer apothem Arithmetic base bisecting calculate Cancel cents chord ciphers circle circumference common fraction construct contains convex surface cost days of grace deducting diameter difference discount dividend dividing division draft draw drawn employed equal equation examples exercises factors figure frustum given gives greatest common divisor Heart of Oak hypotenuse improper fraction inches interest intersecting least common multiple length measure method minuend mixed numbers multiplying NOTES ON CHAPTER number of degrees number of square obtain par value payment perpendicular pounds principal problems profits protractor pupils quarts quotient radius rectangle reduce remaining result rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtract subtrahend teacher whole number write yards