 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 U be the unit of surface. .R axb U' Then 1x1 But - is the area of R.  Elementary Algebra Revised - Page 9by Frederick Howland Somerville - 1913 - 447 pagesFull view - About this book
 | Samuel Wesley Baird - Arithmetic - 1901 - 174 pages
...retaining the same base and altitude. Rhomboid Area=6 sq. in. 3 in. 3in. s Area = 6 sq. in. 3in. As the area of a rectangle is equal to the product of its base and altitude, this is also the area of the rhomboid. PRACTICAL MENSUKATION 125 LESSON 111 1. What... | |
 | Metal-work - 1901 - 548 pages
...found in this manner; hence, we have the following general statement: xJIJ. Area of 11 Kectiuigle. — The area of a rectangle is equal to the product of its base and altitude. This is called a general statement, because it is true for all rectangles. This... | |
 | Frank Joseph Schneck - Business mathematics - 1902 - 288 pages
...and three or more sides that are parallelograms, is a Prism. TRIANGULAR PRISM RECTANGULAR PRISM 212. The area of a rectangle is equal to the product of its length and breadth. 213. A rectangular prism that is one unit high has a volume equal to the product... | |
 | John Williston Cook, Nebraska C. Cropsey - Arithmetic - 1903 - 408 pages
...64. The number of square units in a rectangle is called its area. From the above it is evident that the area of a rectangle is equal to the product of its length and width. The length and width are called the two dimensions of the rectangle. 65. The area... | |
 | American School (Chicago, Ill.) - Engineering - 1903 - 390 pages
...that is, B ~ tf Multiplying equations (1) and (2), we have A a X b B ~ a' x V THEOREM 1 XIII. 1 94. The area of a rectangle is equal to the product of its base and altitude. iL Let a and b be the numerical measures of the altitude and base of the rectangle... | |
 | John Marvin Colaw - Algebra - 1903 - 444 pages
...equal to the subtrahend. 58. The product divided by the multiplier is equal to the multiplicand. 59. The area of a rectangle is equal to the product of its base by its altitude. 60. The area of a circle is equal to the square of its radius multiplied by w.... | |
 | Alan Sanders - Geometry - 1903 - 396 pages
...the first rectangle is 20 sq. ft., as that has not yet been established.] PROPOSITION V. THEOREM 586. The area of a rectangle is equal to the product of its base and altitude. BC D Let ABCD be any rectangle. To Prove ABCD = axb. Proof. Let the square U, each... | |
 | Fletcher Durell - Geometry - 1911 - 553 pages
...that of one whose dimensions are 9 X 2 in. R a R " 5 i AREAS OF POLYGONS PROPOSITION III. THEOREM 383, The area of a rectangle is equal to the product of its base by its altitude. Given the rectangle R, with a base containing b, and an altitude containing h... | |
 | Fletcher Durell - Geometry, Plane - 1904 - 382 pages
...dimensions are 9X2 in. B a R' 1 S b b' 6 AREAS OP POLYGONS AREAS OF POLYGONS PROPOSITION III. THEOREM 383. The area of a rectangle is equal to the product of its base by its altitude. 1\U\ 1 Given the rectangle R, with a base containing 6, and an. altitude containing... | |
 | Edward Leamington Nichols, William Suddards Franklin - Physics - 1904 - 320 pages
...Arithmetrical or algebraic operations among physical quantities involve both units and measures. Thus the area of a rectangle is equal to the product of its length into its breadth, say 10 centimeters x 15 centimeters which is equal to 150 centimeters x centimeters... | |
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