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 Βιβλία Βιβλία 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
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## A Treatise on Surveying, Containing the Theory and Practice: To which is ...

John Gummere - 1814 - 346 σελίδες
...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 perpendicular... ## A Short View of the First Principles of the Differential Calculus

Arthur Browne (M.A.) - 1824 - 198 σελίδες
...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 =... ## The Mechanical Euclid: Containing the Elements of Mechanics and Hydrostatics ...

William Whewell - 1837 - 182 σελίδες
...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... ## Scholarship examinations of 1846/47 (-1853/54).

Bengal council of educ - 1848
...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... ## The works of William Cowper, with a life of the author, by the editor R. Southey

William Cowper - 1851
...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... ## A Treatise on a Box of Instruments and the Slide-rule: For the Use of ...

Thomas Kentish - 1852 - 228 σελίδες
...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 by... ## A Treatise on a Vox of Instruments and the Slide-rule: For the Use of ...

Thomas Kentish - 1854
...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 by... ## New Practical Arithmetic in which the Science and Its Applications are ...

Henry Bartlett Maglathlin - 1869 - 324 σελίδες
...feet, 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, 1 square yard, sq. yd.... ## Transactions, Τεύχη 8-10

...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... ## New Elementary Arithmetic, Embracing Mental and Written Exercises, for ...

...sides and four equal angles. A Rectangle is any surface having four sides and four equal angles. 90. The area of a square, each of whose sides is 1 foot,...Rectangle ? To what is the area of a rectangle equal ? 91. Surface or Square Measure is used in measuring surfaces. Table. 144 square inches (sq. in.) are...