| Frederick Howland Somerville - Algebra - 1913 - 447 pages
...usually with greater clearness, if general or literal number symbols are employed. To illustrate : (a) **The area of a rectangle is equal to the product of its** height, or altitude, by its length, or base. Or, arithmetically, Area = altitude x base. Using only... | |
| Arthur Schultze, Frank Louis Sevenoak - Geometry, Plane - 1913 - 304 pages
...of its sides 20 in. Find the ratio of the areas of the two rectangles. PROPOSITION III. THEOREM 347. **The area of a rectangle is equal to the product of its** base and altitude. Given R a rectangle with base b and altitude a. To prove R — a X b. Proof. Let... | |
| Walter Burton Ford, Earle Raymond Hedrick - Geometry, Plane - 1913 - 213 pages
...THEOREM 181. Area of a Rectangle. The fundamental principle, mentioned in the Introduction (§ 25), that **the area of a rectangle is equal to the product of its** base by its height, will be presupposed in what follows in the present chapter. The principle states... | |
| William James Milne - Arithmetic - 1914
...product of the numbers that measure the dimensions, calling the result square feet. Stated more briefly : **The area of a rectangle is equal to the product of its length and breadth,** expressed in like units. For brevity we speak of the product of lines when we mean the product of the... | |
| Charles Ernest Chadsey - 1914
...multiplied together, and not the length and the breadth. This will apply to other similar statements. **The area of a rectangle is equal to the product of its length** by its breadth.* 1. If a rectangle is 4 feet long a 3 feet wide, what is its area? nd 143 A figure... | |
| William James Milne - Arithmetic - 1914
...dimension by the other and calling the result square feet. This is what is meant by the briefer statement : **The area of a rectangle is equal to the product of its** base and altitude, expressed in like units. It follows from the above that : Either dimension is the... | |
| Claude Irwin Palmer, Daniel Pomeroy Taylor - Geometry, Plane - 1915 - 277 pages
...measure. From the foregoing considerations the truth of the following statement may be accepted: 346. **The area of a rectangle is equal to the product of its** base and altitude. If A, b, and h are the numerical measures of the area, base, and altitude respectively... | |
| Joseph Woodwell Ledwidge Hale - Mathematics - 1915 - 206 pages
...a ft., the width is 70 ft., and its area is 43,400 sq. ft. Find the value of a. From the fact that **the area of a rectangle is equal to the product of its** two dimensions, we may form the algebraic equation by placing the area equal to the product of the... | |
| William James Milne - 1916
...dimension by the other and calling the result square feet. This may be stated briefly as follows: TJie **area of a rectangle is equal to the product of its length and** width, expressed in like units. For brevity we speak of the product of lines when we mean the product... | |
| John H. Williams, Kenneth P. Williams - Geometry, Solid - 1916 - 162 pages
...circumference of a circle to a diameter is the mean proportional between the segments of the diameter. 343. **The area of a rectangle is equal to the product of its** base by its altitude. 347. Parallelograms having equal bases and equal altitudes are equivalent. 349.... | |
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