 Since the number of square units in the area of a rectangle is equal to the product of the number of...  Plane Geometry - Page 216by Jacob William Albert Young, Lambert Lincoln Jackson - 1916 - 312 pagesFull view - About this book
 | John Gummere - Surveying - 1814 - 398 pages
...breadth. But the area is equal to the number of squares or superficial measuring units; and therefore the area of a rectangle is equal to the product of the length and breadth. Again, a rectangle is equal to any oblique parallelogram of an equal length and... | |
 | Arthur Browne (M.A.) - Differential calculus - 1824 - 232 pages
...equal to a linear unit, then the square of the hypothenuse must PROP. IV. The number, which represents the area of a rectangle, is equal to the product of the numbers representing its adjacent sides. Let ABCD be a rectangle, and let the side AB = a, and BC =... | |
 | William Whewell - 1837 - 226 pages
...containing the angles, namely Ca, Cb, will coincide. And it will be true that A a : Bb :: CA : CB. LEMMA 4. The area of a rectangle is equal to the product of the two sides. If A, B be the two sides, the rectangle is = A x B. COB. If B be the base and A the altitude... | |
 | Bengal council of educ - 1848 - 394 pages
...rectangles contained by the undivided line, and the several parts of the divided line. Hence prove that the area of a rectangle is equal to the product of the base and its altitude. 4. The angle at the centre of a circle is double than at the circumference upon... | |
 | Education - 1851 - 626 pages
...rectangles contained by the undivided line, and the several parts of the divided line. Hence prove that the area of a rectangle is equal to the product of the base and its altitude. 4. The angle at the centre of a circle is double than at the circumference upon... | |
 | Thomas Kentish - Geometrical drawing - 1852 - 272 pages
...circles, cycloids, and ellipses; and the surfaces of prisms, cylinders, pyramids, cones, and spheres. The area of a rectangle is equal to the product of the length and breadth. The area of a trapezoid is found by multiplying half the sum of the parallel sides... | |
 | Thomas Kentish - Mathematical instruments - 1854 - 268 pages
...circle?, cycloids, and ellipses; and the surfaces of prisms, cylinders, pyramids, cones, and spheres. The area of a rectangle is equal to the product of the length and breadth. The area of a trapezoid is found by multiplying half the sum of the parallel sides... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1869 - 332 pages
...or as many as the product of the number expressing the length by that expressing the breadth. Hence, The area of a rectangle is equal to the product of the length by the breadth. Table. 144 square inches (sq. in.) make 1 square foot, sq. ft. 9 square feet,... | |
 | Literary and Historical Society of Quebec - Canada - 1871 - 524 pages
...triangular portion be cut from one end and added to the other, the figure becomes a rectangle ; and as the area of a rectangle is equal to the product of the number of units in its base and altitude, it follows that the area of any triangle is equal to half the product... | |
 | Charles Davies - Geometry - 1872 - 464 pages
...rectangle is equal to the product of its base and altitude; that is, the number of superficial un1ts in the rectangle, is equal to the product of the number of linear units in its base by the number of linear units in its altitude. Scholium. 2. The product of two lines is sometimes... | |
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