 | William James Milne - Arithmetic - 1906 - 364 pages
...area of any parallelogram is equal to that of a rectangle having the same base and altitude. Hence, The area of a parallelogram is equal to the product of its base and altitude. 551. Find the area of each of these parallelograms : BASE ALTITUDE BASE ALTITUDE 1. 14. 5 in. 6 in.... | |
 | Isaac Newton Failor - Geometry - 1906 - 440 pages
...base of a rectangle is 17 in. and its altitude is 27 in. Compute its area. PROPOSITION IV. THEOREM 401 The area of a parallelogram is equal to the product of its base and altitude. E ... HYPOTHESIS. ABCD 13 a O, & its base, and a its altitude. CONCLUSION. The area of the d ABCD =... | |
 | Edward Rutledge Robbins - Geometry, Plane - 1906 - 268 pages
...QED 372. THEOREM. The area of a square is equal to the square of its side. (See 371.) 373. THEOREM. The area of a parallelogram is equal to the product of its base by its altitude. Given : L3 ABCD whose base is b and altitude, h. To Prove : Area of ABCD = b... | |
 | Bruce Mervellon Watson, Charles Edward White - Arithmetic - 1907 - 272 pages
...into a rectangle of the same base and altitude, how may we find the area of a parallelogram ? 249. The area of a parallelogram is equal to the product of its base and altitude. 250. Oral The following examples relate to parallelograms. Fill in the missing number : BASK ALT. AREA... | |
 | William James Milne - Arithmetic - 1907 - 616 pages
...rectangle having the same base and altitude ? How, then, may the area of a parallelogram be found ? The area of a parallelogram is equal to the product of its base and altitude, expressed in like units. WRITTEN EXERCISES 232. 1. Find the area of each of these parallelograms. 26.2"... | |
 | John William McClymonds, David Rhys Jones - Arithmetic - 1907 - 348 pages
...the triangles. Therefore the number of square feet in the lot may be found by multiplying 120 by 40. The area of a parallelogram is equal to the product of its base and altitude. 5. Cut several parallelograms out of paper, and show by the method of Prob. 3 that each parallelogram... | |
 | Edith Long, William Charles Brenke - Algebra - 1913 - 300 pages
...rectangle is formed on b and h as sides and with the same area as the parallelogram ABCD. Corollary 1. The area of a parallelogram is equal to the product of its base by its altitude. That is, a = bh. Corollary 2. All parallelograms having equal bases and altitudes... | |
 | Walter Burton Ford, Earle Raymond Hedrick - Geometry, Modern - 1913 - 272 pages
...triangles. Find the area of each of these triangles. Ans. 15 sq. in. AREAS [IV, ยง 186 186. Theorem I. The area of a parallelogram is equal to the product of its base by its altitude. F_ GD G Given the parallelogram ABCD with b its base and a its altitude. To prove... | |
 | William James Milne - Arithmetic - 1914 - 524 pages
...resulting figure will be a rectangle of the same area, base, and altitude as the BASE parallelogram. The area of a parallelogram is equal to the product of its base and altitude, expressed in like units. ' ' " and Written Exercises Estimate results mentally before solving. Find... | |
 | George E. Mercer, Mabel Bonsall - Arithmetic - 1914 - 324 pages
...should be given practice in drawing them until the mention of a name calls forth an appropriate drawing. The area of a parallelogram is equal to the product of its base and altitude. The base and altitude must be expressed in units of the same kind. The diagonal of a parallelogram... | |
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The area of a parallelogram is equal to the product of its base and its height: A = bx h. 
