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 Boeken Boek If a parallelogram and a triangle be upon the same base, and between the same parallels; the parallelogram shall be double of the triangle. Skeleton propositions &c. of Euclid, books i and ii, with references, by H ... - Pagina xl
door Euclides - 1868
Volledige weergave - Over dit boek ## University local half-hour examination papers

...angle in a segment, sector of a circle ; and prove that the angle in a semi-circle is a right angle. 2. If a parallelogram and a triangle be upon the same base and between the same parallels, the parallelogram shall be double of the triangle. 3. To describe a circle about a given...
Volledige weergave - Over dit boek ## Class lessons on Euclid

Marianne Nops - 1882
...are halves of equal ||gram" (I. 34), and are equal (ax. 7). SUMMARY OF PROPOSITION XLL, THEOREM 31. If a parallelogram and a triangle be upon the same base, and betiveen the same parallels, the parallelogram is double of the triangle. Cons. — Join AC. Triangles...
Volledige weergave - Over dit boek ## The Practical Teacher; with which is Incorporated the Practical ..., Volume 2

Joseph Hughes - 1883
...sides then iJ.v + 4 right angles = x sides x 2 = or 7*+i6 = 8* ¿л, x = i6 = No. of sides. Ans. 2. If a parallelogram and a triangle be upon the same base and between the same parallels the parallelogram shall be double of the triangle. Euclid I. 41. 3. To describe a square...
Volledige weergave - Over dit boek ## The Practical Teacher, Volume 2

1883
...fides then li-* + 4 right angles = x sides x 2 = or Jx+ 16 = 8* ie, x = 16 = No. of sides. Ans. 2. If a parallelogram and a triangle be upon the same base and between the same parallels the parallelogram shall be double of the triangle. Euclid I. 41. 3. To describe a square...
Volledige weergave - Over dit boek ## An introduction to geometry, consisting of Euclid's Elements, book ..., Volume 1

Euclides - 1884
...parallel to AB, and that, similarly, OF would be parallel to AC. 90. PROPOSITION XLI. — THEOREM. If a parallelogram and a triangle be upon the same base and between the name parallels, the parallelogram is double of the triangle. Let the parallelogram ABCD and the triangle...
Volledige weergave - Over dit boek ## Annual Report of the Chief Superintendent of Education

1885
...angles, and the three interior angles of every triangle are together equal to two right angles. 3. If a parallelogram and a triangle be upon the same base and between the same parallels, the parallelogram is double of the triangle. 4. If a straight line be divided into any two...
Volledige weergave - Over dit boek ## THE ELEMENTS OF GEOMETRY.

GEORGE BRUCE HALSTED - 1885
...the same point, and for their bases equal sects of the same line, are equivalent. 255. COROLLARY III. If a parallelogram and a triangle be upon the same base and between the same parallels, the parallelogram is double the triangle. THEOREM XLIII. 256. If through any point on the...
Volledige weergave - Over dit boek ## The Elements of Geometry

George Bruce Halsted - 1886 - 366 pagina’s
...sects of the same line, are equivalent.) /. &ABCK double A ABD. ~B\A£7AHFD is also double A ABD, (255. If a parallelogram and a triangle be upon the same base and between the same parallels, the parallelogram is double the triangle.) PROBLEM XIII. 259. On a given sect as base, to...
Volledige weergave - Over dit boek ## Examination Papers

...squares on the two parts together with twice the rectangle contained by the parts. Eue. II. 4. 11. If a parallelogram and a triangle be upon the same base, and between the eame parallels, the parallelogram is double of the triangle. Eue. I. 41. Latin Translation and Grammar...
Volledige weergave - Over dit boek ## Practical Plane and Solid Geometry, Including Graphic Arithmetic

Isaac Hammond Morris - 1890 - 260 pagina’s
...upon equal bases, and between the same parallels, are equal. (Eue. i. 38.) ABС = DEF. (Fig. 5.) 6. If a parallelogram and a triangle be upon the same base and between the same parallels, the parallelogram shall be double of the triangle. (Eue. i. 41.) ABСD = twiceABС. (Fig....
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