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" XIII. •All parallelograms on the same or equal bases and between the same parallels... "
A Treatise of Practical Surveying, ... - Pągina 36
per Robert Gibson - 1808 - 440 pągines
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Popular Mathematics: Being the First Elements of Arithmetic, Algebra, and ...

Robert Mudie - 1836 - 542 pągines
...quantity. This, which is a very useful property, is usually cited in the words, " Parallelograms upon the same or equal bases, and between the same parallels, are equal to each other." But there is some objection to the words "between the same parallels," inasmuch as,...
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Popular Mathematics: Being the First Elements of Arithmetic, Algebra, and ...

Robert Mudie - 1836 - 524 pągines
...quantity. This, which is a very useful property, is usually cited in the words, " Parallelograms upon the same or equal bases, and between the same parallels, are equal to each other." But there is some objection to the words " between the same parallels," inasmuch as,...
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The New American Practical Navigator; Being an Epitome of Navigation ...

Nathaniel Bowditch - 1846 - 854 pągines
...proved, that, ABDC being a parallelogram, AB is equal to CD, and AC equal to BD. L. Аи parallelograms on the same or equal bases, and between the same parallels, are equal to nach oķ/кг ; that is, if BD and GH be equal, and the lints BH, AF, be parallel, tkt parallelograms...
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A Manual of Surveying for India, Detailing the Mode of Operations on the ...

Sir Henry Edward Landor Thuillier - 1851 - 826 pągines
...has been proved that ABCD being a parallelogram, AB = CD and AD =BC. THEO. XII. All parallelograms on the same or equal bases and between the same parallels are equal to one another, that is if BD — GH, and the lines BH and AF are parallel, then the paralellogram...
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Elements of geometry and mensuration

Thomas Lund - 1854 - 522 pągines
...things must themselves be equal; .'. the triangle BCD = the triangle FGH ' that is, all triangles upon the same, or equal bases, and ' between the same parallels', are equal to one another. * ' Parallelogram ' being a long word, when it occurs frequently, it is allowable to...
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The practice of navigation and nautical astronomy. [With] Tables ..., Volum 26

Henry Raper - 1870 - 974 pągines
...which is half of AB EF, is equal to half ABCD, or the parallelogram is double of the triangle. COR. Triangles on the same or equal bases, and between the same parallels are equal. For parallelograms under these two conditions are, by No. 133, and Cor., equal, and the triangles being...
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Practical Plane and Solid Geometry: For Use in Science Classes and Higher ...

Henry Angel - 1873 - 192 pągines
...problems of this chapter. b. Parallelograms (squares, rectangles, and rhomboid figures) or triangles upon the same or equal bases, and between the same parallels, are equal in area (Eviclid, Tk. I., Defs. 35-38). a. The squares on the base and perpendicular of a right-angled...
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The elementary geometry of the right line and circle

William Alexander Willock - 1875 - 196 pągines
...equal segments and sectors of circle — and, also, the equality of the areas of parallelograms and triangles on the same or equal bases and between the same parallels. Thus, in the first four chapters, almost the whole substance, theorems and problems, of Euclid's first,...
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Modern geometry [ed.] with an appendix by W.B. Jack

Richard Wormell - 1876 - 268 pągines
...С D = area ABGH, and area EFGH = area ABGH ; Consequently area A В С D = area EFGH. THEOREM XLV. Triangles on the same or equal bases and between the same parallels have equal areas. Each of the triangles is half any parallelogram on the same or an equal base and...
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Practical Plane Geometry and Projection: For Science Classes ..., Volum 1

Henry Angel - 1880 - 372 pągines
...of a figure depends both upon its shape and upon its perimeter. 2. Parallelograms and triangles upon the same or equal bases, and between the same parallels, are equal in area (Euclid i. 35-38). 3. If a parallelogram and a triangle be upon the same or equal bases, and...
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