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" 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
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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

Literary and Historical Society of Quebec - 1871
...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 ...

Henry Bartlett Maglathlin - 1872
...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...




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