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 Βιβλία Βιβλία Hence, The area of a rectangle is equal to the product of the length by the breadth. New Elementary Arithmetic: Embracing Mental and Written Exercises for ... - Σελίδα 130
των Benjamin Greenleaf - 1879 - 224 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Junior High School Mathematics ...

John Charles Stone - 1921
...Thus, in finding the area of a rectangle, you learned in arithmetic that The number of square units in the area of a rectangle is equal to the product of the number of linear units in its base and altitude. You learned in Books I and II that this is more quickly... ## A Course in Arithmetic for Teachers and Teacher-training Classes

James Robert Overman - 1923 - 376 σελίδες
...rules of mensuration afford excellent opportunity for such practice. Thus the pupils discover that, The area of a rectangle is equal to the product of the base and the altitude. The possibility of writing this rule in an abbreviated form is next considered.... ## The Pilot Arithmetics, Τόμος 3

1924
...method of finding the area of a rectangle by the formula : A = b X h This is a short way of saying that the area of a rectangle is equal to the product of the base by the altitude. The result is expressed in square units. Before applying the formula, A = 6 X... ## The Nature and Growth of Modern Mathematics

Edna Ernestine Kramer - 1982 - 758 σελίδες
...fence are x ft. in length, and the third side must be 4000 — 2x. Let us call the area y. Then, since the area of a rectangle is equal to the product of the length by the width, y = x(4000 - 2x) y = 4000* - 2x2 Now, it is just this quantity y, or 4000* — 2x2, which we...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## Geometry - Plane, Solid and Analytic Problem Solver

Research & Education Association Editors, Ernest Woodward - 2012 - 1080 σελίδες
...dimensions I by h while two other opposing faces will have dimensions w by h. Based on the concept that the area of a rectangle is equal to the product of the lengths of its sides, it is correct to determine the lateral surface area by the equation fch + wh...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## The Best Coaching and Study Course for the SAT I: Scholastic Assessment Test ...

Robert Andrew Bell - 1994 - 994 σελίδες
...the shaded region is equal to the area of rectangle ABCD minus the area of triangle EBC. Recall that the area of a rectangle is equal to the product of the measure of its length and the measure of its width. Thus, Area of rectangle ABCD = (AB) (BC) The area...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## REA's Practical Help for Pre-algebra

Sally H. Spetz, Staff of Research Education Association - 2002 - 226 σελίδες
...the shaded region is equal to the area of rectangle ABCD minus the area of triangle EBC. Recall that the area of a rectangle is equal to the product of the measure of its length and the measure of its width. Thus, Area of rectangle ABCD = (AB) (BC) The area...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## Southern School Journal, Τόμος 18

1907
...with abstract numbers, but in this case do not say, "length times breadth gives area," but rather, "The area of a rectangle is equal to the product of the numbers expressing length and breadth." Pupils often have trouble with problems in which the area and... ## Principles and Methods of Teaching Arithmetic

James Robert Overman - 1920 - 340 σελίδες
...inches and counting. Generalization. Having verified their hypothesis the pupils formulate the rule, "The area of a rectangle is equal to the product of the base and the altitude." This rule should also be stated in abbreviated form as A=ay.b. Application....