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" 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
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Key to the Exercises in Wells's New Geometry

Webster Wells - 1909
...show that the angles at E, F, and G are also rt. A. is a rectangle. Hence EFGH 6. Then, EFOH= GH x HE. (The area of a rectangle is equal to the product of the base by the altitude.) § 280. 7. GH= CD. (In any parallelogram the opposite sides are equal.) § 104....

The Gilbert Arithmetics, Βιβλίο 3

Charles H. Gleason, Charles Benajah Gilbert - 1910
...been learned : 1. The area of a triangle is equal to | the product of the base by the altitude. 2. The area of a rectangle is equal to the product of the length by the breadth. 3. The area of a parallelogram is equal to the product of the base by the altitude. 4. The area of...

Shop Problems in Mathematics

William Edwin Breckenridge, Samuel Foster Mersereau, Charles Frederick Moore - 1910 - 280 σελίδες
...5. 30 7 6. 28 9 7. 8 84 8. 7 100 9. 24 70 22 75 R CHAPTER XVI MENSURATION 188. Area of a rectangle. The area of a rectangle is equal to the. product of the base and altitude. PROBLEMS 1. If A stands for the area of a rectangle, a the altitude, and b the base,...

The Pupils' Arithmetic, Βιβλίο 3

James Charles Byrnes, Julia Richman, John Storm Roberts - 1911
...of each of the following rectangles, which are drawn to scale £ : 3 in. 2 in. 2 in. 233 218. RULE. The area of a rectangle is equal to the product of the length by the width expressed in like units : eg the area of a rectangle that is 8 in. long and 6 in. wide is 48...

Secondary-school Mathematics, Τόμος 2

Robert Louis Short, William Harris Elson - 1911
...Multiplying 2 by 3, M = ab N~a'b'' But N is the unit of surface, then, — = M, and M = ab. That is, the area of a rectangle is equal to the product of the base by the altitude. 204. If two surfaces have the same area, they are equivalent THEOREM LII 205....

Walsh-Suzzallo Arithmetics

John Henry Walsh, Henry Suzzallo - 1914
...consist of 4 rows of 9 square units each, or 9 rows of 4 square units each. The number of square units in the area of a rectangle is equal to the product of the number of linear units in its length by the corresponding number in its width. Mathematicians frequently...

Mathematics for the Practical Man: Explaining Simply and Quickly All the ...

George Howe - 1915 - 143 σελίδες
...AD. This fact is only mentioned here as illustrative of one of the principles of mechanics. Fig. 17. The area of a rectangle is equal to the product of the length by the breadth; thus, in Fig. 17, Area of А В DC = AB X AC. This fact is so patent as not to need explanation. Suppose...

Walsh-Suzzallo Arithmetic: By Grades. Third-[eighth] year

John Henry Walsh, Henry Suzzallo - 1915
...consist of 4 rows of 9 square units each, or 9 rows of 4 square units each. The number of square units in the area of a rectangle is equal to the product of the number of linear units in its length by the corresponding number in its width. Mathematicians frequently...

School Algebra: First-[second], Βιβλίο 1

Henry Lewis Rietz, Arthur Robert Orathorne, Edson Homer Taylor - 1915 - 271 σελίδες
...area, b the base, and a the altitude of a rectangle, the brief statement A = ab gives the rule that the area of a rectangle is equal to the product of the base and altitude. It is important to be able to translate English sentences into such algebraic statements....

School algebra: first-[second], Βιβλίο 1

Henry Lewis Rietz, Arthur Robert Orathorne, Edson Homer Taylor - 1915
...area, b the base, and a the altitude of a rectangle, the brief statement A = ab gives the rule that the area of a rectangle is equal to the product of the base and altitude. It is important to be able to translate English sentences into such algebraic statements....




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