| Charles Hutton - Measurement - 1788 - 703 pages
...breadth. But the area is equal to the number of fquares or fuperficial meafuring units ; and therefore **the area of a rectangle is equal to the product of its** length and breadth. Again, a rectangle is equal to an oblique parallelogram of an equal length and... | |
| Euclid, Dionysius Lardner - Euclid's Elements - 1828 - 324 pages
...magnitudes, and subtract half the difference from half the sum, and the remainder is the less. (262) Since **the area of a rectangle is equal to the product of its** sides, it follows that if the area be divided by one Me the quote will be the other side. It is scarcely... | |
| Charles Davies - Geometrical drawing - 1840 - 252 pages
...the unit of the number which expresses the area, is a square of which the linear unit is the side. 8. **The area of a rectangle is equal to the product of its base by its** altitude. If the base of a rectangle is 30 yards, and the altitude 5 yards, the area will be 150 square... | |
| Charles Davies - Geometrical drawing - 1846 - 240 pages
...It is a square, of which the linear unit is the side. 10. How do you find the area of a rectangle ? **The area of a rectangle is equal to the product of its base by its** altitude. If the base of a rectangle is 30 yards, and the altitude 5 yards, the area will be 150 square... | |
| CHARLES DAVIS, L.L. D. - 1850
...partial rectangles : hence, ADxAB=ADxAE+-ADxEF+ADxFB. THEOREM VIII. The area of any parallelogram is **equal to the product of its base by its altitude. Let ABCD be** any parallelogram, and BE its altitude : then will its area be equal to AB X BE. For, draw AF perpendicular... | |
| CHARLES DAVIES, LL.D. - 1850
...second shall decrease according to the same law ; and the reverse. term. GEOMETRY. 249 For example : **the area of a rectangle is equal to the product of its** base and altitude. Then, in the Example rectangle ABCD, we have Area = AB x BC. Take a second rectangle... | |
| Charles Davies - Geometry - 1886 - 324 pages
...rectangles : hence, AD X ,4 #0.4 D x AE+ AD x EF+ AD x FB. THEOREM V1H. The area of any parallelogram is **equal to the product of its base by its altitude. Let ABCD be** any parallelogram, and BE its altitude : then will its area be equal to ABxBE. For, draw AF perpendicular... | |
| Charles Davies, William Guy Peck - Mathematics - 1855 - 592 pages
...bases : generally, any two rectangles are to each other as the product of their bases and altitudes. **The area of a rectangle is equal to the product of its** liase and altitude. The area of a rectangle is also equal to the product of its diagonals multiplied... | |
| Elias Loomis - Conic sections - 1858 - 234 pages
...number of linear units contained in the altitude. PROPOSITION V. THEOREM. The area of a parallelogram is **equal to the product of its base by its altitude. Let ABCD be a** parallelogram, AF its -pn EC altitude, and AB its base ; then is its surface measured by the product... | |
| Elias Loomis - Conic sections - 1860 - 234 pages
...of linear units contained in the altitude. * PROPOSITION V. THEOREM. The area of a parallelogram is **equal to the product of its base by its altitude. Let ABCD be a** parallelogram, AF its p D EC altitude, and AB its base; then is its surface measured by the product... | |
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