| Education Department - 1879 - Liczba stron: 1118
...and CD, "rect. AB. CD." Other abbreviations, if employed, must not be ambiguous. 1. Parallelograms upon the same base and between the same parallels are equal to one another. Construct an isosceles triangle equal to a given parallelogram. 2. In obtuse-angled triangles, if a... | |
| Cowley Oxon, dioc. school - 1860 - Liczba stron: 318
...the third side. 7. Define " Parallel straight lines," and state their properties. 8. Parallelograms upon the same base, and between the same parallels, are equal to one another. 9. To describe a parallelogram that shall be equal to a given triangle, and have one of its angles... | |
| 1865 - Liczba stron: 564
...propositions : — (1) The angles of a triangle are together equal to two right angles. (2) Parallelograms upon the same base, and between the same parallels, are equal to one another. (3) The squares on the sides containing the right angle of a right-angled triangle are equal to the... | |
| William Henry Blythe - 1900 - Liczba stron: 228
...AB then the triangle EBC is equal in area to ABCD. It is proved in (Euclid, Bk. 1.) that triangles upon the same base and between the same parallels are equal to one another, by means of this proposition any rectilineal figure can be reduced to a triangle of equal area. A triangle... | |
| Great Britain. Parliament. House of Commons - 1871 - Liczba stron: 902
...PURE MATHEMATICS. OPEN PEOFESSOE HJS SMITH. Ip/l Monday, 3rd April. 10 AM to 1 PM 1". Parallelograms upon the same base and between the same parallels are equal to one another. 2. Angles in .the same segment of a circle are equal to one another. 3. Triangles which have the same... | |
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