 | Raleigh Schorling, William David Reeve - Mathematics - 1922 - 460 pages
...is 2 in. to 50 mi. How many acres are represented by a square £ in. on a side ? 357 448. Theorem. The area of a parallelogram is equal to the product of its base and altitude. M I FIG. 430 Given the parallelogram ABCD. To prove that the area of parallelogram ABCD = a • AB.... | |
 | James Robert Overman - Arithmetic - 1923 - 396 pages
...out. This new triangle may be placed with ABC so as to form a parallelogram as shown in Figure 30. The area of a parallelogram is equal to the product of its base and its altitude, so the altitude CD of the parallelogram is drawn, then the area of the parallelogram... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1913 - 484 pages
...figure if (a) AB = 9, EC = 8, DE = 4, EF = 8. (6) AB= BC = a,FE = ED = b. PROPOSITION IV. THEOREM 350. The area of a parallelogram is equal to the product of its base and its altitude. Given parallelogram ABCD having the base AB = b, and the altitude BE = h. To prove ABCD... | |
 | Claude Irwin Palmer, Daniel Pomeroy Taylor, Eva Crane Farnum - Geometry, Modern - 1924 - 360 pages
...= BF. rt. AA ED = rt. ABFC. ABFD- AAED = nABFE. ABFD- ABFC = UABCD. Why? Why? Why? Why? *324. Cor. The area of a parallelogram is equal to the product of its base and altitude. As a formula, A = bh. Solving the formula for b and h, h and How many parallelograms would it be possible... | |
 | Joseph Clifton Brown, Albert Clayton Eldredge - Arithmetic - 1924 - 346 pages
...that the area of a parallelogram is the same as that of a rectangle having the same base and altitude. The area of a parallelogram is equal to the product of its base and altitude. Exercise 46 1. Find the area of a parallelogram 24 in. long and 14 in. wide. 2. A field in the form... | |
 | Mary Anna Ward - Arithmetic - 1925 - 316 pages
...what must be true of the area of the parallelogram as compared with the area of the rectangle ? m. The area of a parallelogram is equal to the product of its base and altitude. Area of parallelogram = bXa • 32. THE AREA OF A PARALLELOGRAM a. Diagram each of the following problems,... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1925 - 504 pages
...figure can be divided into fifteen squares, each being the unit of surface. PROPOSITION IV. THEOREM 353. The area of a parallelogram is equal to the product of its base and its altitude. FDEC Given parallelogram ABCD having the base AB = b, and the altitude BE = h. To prove... | |
 | Julius J. H. Hayn - Geometry, Plane - 1925 - 328 pages
...rectangle both of whose dimensions are incommensurable with unity. R a L RF u Proposition VI. Theorem 252. The area of a parallelogram is equal to the product of its base by its altitude. Hyp.: Given the parallelogram ABCE, with the base AB, and the altitude BF. Det.:... | |
 | William Henry Snyder - Science - 1925 - 648 pages
...geometric figures is obtained by computation from their linear dimensions. Thus the area of a rectangle or of a parallelogram is equal to the product of its base and its altitude (A = 6 xh); the area of a triangle is half the product of its base and its altitude (A... | |
 | College Entrance Examination Board - Universities and colleges - 1925 - 198 pages
...a line divides two sides of a triangle proportionally, it is parallel to the third side. 3. Prove: The area of a parallelogram is equal to the product of its base by its altitude. 4.. On the sides BC and AC of any triangle ABC equilateral triangles BCD and... | |
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The area of a parallelogram is equal to the product of its base and altitude. 
