 | William Francis Rocheleau - Correspondence schools and courses - 1909 - 430 pages
...does not equal 2 square feet. (a) RECTANGLE. The first step in finding area is to demonstrate that the area of a rectangle is equal to the product of the number of square units in one dimension by the other dimension. A rectangle 4 inches long and i inch... | |
 | Webster Wells - 1909 - 154 pages
...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.... | |
 | Charles H. Gleason, Charles Benajah Gilbert - Arithmetic - 1910 - 288 pages
...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... | |
 | James Charles Byrnes, Julia Richman, John Storm Roberts - Arithmetic - 1911 - 328 pages
...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... | |
 | Robert Louis Short, William Harris Elson - Mathematics - 1911 - 216 pages
...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.... | |
 | John Henry Walsh, Henry Suzzallo - Arithmetic - 1914 - 524 pages
...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... | |
 | George Howe - Mathematics - 1915 - 168 pages
...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... | |
 | Mathematics - 1915 - 830 pages
...and formulating. The pupil has solved many problems in mensuration of which we select the following: The area of a rectangle is equal to the product of the length by the width. This may be written in somewhat more concise form as Area=lengthXwidth. The simplification of... | |
 | John Henry Walsh, Henry Suzzallo - Arithmetic - 1915 - 176 pages
...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... | |
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Hence, The area of a rectangle is equal to the product of the length by the breadth. 
