 | George Albert Wentworth - 1896 - 68 σελίδες
...The areas of two rectangles are to each other as the products of their bases by their altitudes. 363. The area of a rectangle is equal to the product of its base and altitude. 365. The area of a parallelogram is equal to the product of its base and altitude. 366. Cor. 1. Parallelograms... | |
 | Virginia. Dept. of Education - 1897 - 368 σελίδες
...middle point. 6. In every proportion the product of the extremes is equal to the product of the means. 7. The area of a rectangle is equal to the product of its base and altitude. 8. To construct a square equivalent to the sum of two given squares. 9. The area of a circle is equal... | |
 | George Washington Hull - 1897 - 408 σελίδες
...Hence 2 = f-. § 222 rb Multiplying, - = ^-4, QED ' r aX b K a r a s PROPOSITION IV. THEOREM. 226. The area of a rectangle is equal to the product of its base and altitude. i n Given—R a rectangle whose altitude and base are A and B respectively, numerically expressed in... | |
 | Andrew Wheeler Phillips, Irving Fisher - 1897 - 376 σελίδες
...each other as their altitudes.] Multiplying, * = ' or a xb a'xb'' QED PROPOSITION IV. THEOREM 362. The area of a rectangle is equal to the product of its base and altitude, provided the unit of area is a square -whose side is the linear unit. 1 U bf GIVEN — the rectangle... | |
 | Andrew Wheeler Phillips, Irving Fisher - 1897 - 374 σελίδες
...altitudes.] Multiplying, or X R' b' a' R _a Xb R'~ a'X b' QED R X / a R' a PROPOSITION IV. THEOREM 362. The area of a rectangle is equal to the product of its base and altitude, provided the unit of area is a square whose side is the linear unit. b 1 GIVEN — the rectangle R... | |
 | Joseph Johnston Hardy - 1897 - 398 σελίδες
...a right triangle is equal to the difference of the squares of the hypotenuse and the other leg. 28. The area of a rectangle is equal to the product of its base and altitude. 29. The ratio of the circumference of a circle to its diameter is constant. C = 2TR. 30. The area of... | |
 | Henry W. Keigwin - 1897 - 254 σελίδες
...the measures of those lines when referred to the same unit, we may state § 349: Or, briefly: TJie area of a rectangle is equal to the product of its base and altitude. (o = ab) In the same way § 306 gives: The area of a triangle is equal to one-half the product nf its... | |
 | Middlesex Alfred Bailey - 1897 - 332 σελίδες
...squares in each strip multiplied by the number of strips, is the number of squares in the rectangle ; .-. the area of a rectangle is equal to the product of its base and its altitude. 273 IV. The area of a parallelogram is equal to the product of its base by its altitude.... | |
 | Middlesex Alfred Bailey - 1897 - 332 σελίδες
...illustrations, explanations, and proofs, the pupil should turn to p. 121, and to pp. 272, 273, and 274. III. The area of a rectangle is equal to the product of its base by its altitude. IV. The area of a parallelogram is equal to the product of its base by its altitude.... | |
 | Silas Ellsworth Coleman - 1897 - 180 σελίδες
...is a familiar fact in the case of rectangles ; the common form of statement for this case being that the area of a rectangle is equal to the product of its length and width. From any rhomboid or rhombus, a rectangle of the same dimensions can be constructed,... | |
| |
The area of a rectangle is equal to the product of its base and altitude. 
