 | 1880 - 160 pages
...which join the extremities of equal and parallel straight lines are themselves equal and parallel. 4. Triangles on the same base and between the same parallels are equal. The lines joining the middle points of the sides of a triangle with the opposite angular points meet... | |
 | William George Spencer - Geometry - 1881 - 116 pages
...322. Take an inch to represent a foot, and make a scale of feet and inches. 323. From the theorem, that triangles on the same base, and between the same parallels.. are equal in surface, can you change a trapezi um into a triangle ? 324. Can you change a triangle into a rectangle... | |
 | Robert Routledge - Science - 1881 - 748 pages
...the reasoning can easily be followed by any one conversant with tht geometrical fact that triangks on the same base and between the same parallels are equal in area. Let a body be moving unacted on by any F force along the line AD, Fig. 85 ; in that line its positions... | |
 | Education, Higher - 1883 - 536 pages
...of superposition that the angles at the base of an isosceles triangle are equal to one another. 4. Triangles on the same base and between the same parallels are equal. 5. Distinguish clearly between a theorem and a problem. 6. If a straight line be divided into any two... | |
 | John Gibson - 1881 - 64 pages
...another. 2. Parallelograms on the same base and between the same parallels are equal to one another. 3. Triangles on the same base and between the same parallels are equal. 4. Equal triangles on the same base and on the same side of it are between the same parallels. 5. Prove... | |
 | Marianne Nops - 1882 - 278 pages
...theorems we prove the corresponding cases of equality of area in triangles. Proposition XXXV II. shows that triangles on the same base and between the same parallels are equal in area. On the same base BC and between the parallels AD, BC let there be two triangles ABC, DBC. We are required... | |
 | College of preceptors - 1882 - 528 pages
...two sides of a triangle and the third side. 3. Define a parallelogram ; and show that parallelograms on the same base and between the same parallels are equal in area. Enunciate a converse of this proposition. 4. Define an acute-angled triangle, an obtuse-angled triangle,... | |
 | Isaac Sharpless - Geometry - 1882 - 286 pages
...between the same parallels EF, CH. Hence (Ax. 1) ABDC is equal to EFHG. ' Proposition 35. Tlieorem. — Triangles on the same base and between the same parallels are equal. Let ABC, DBCbe two triangles on the same base BC and between the same parallels BC, AD ; they will... | |
 | Euclides - 1883 - 176 pages
...other. Show that the area of the first is the same multiple of the area of the other. PROP. 37. THEOR. Triangles on the same base and between the same parallels are equal to one another. Given ABC, DBC, two triangles on the base BC, and between the parallels BC, AD. To... | |
 | Euclides - 1884 - 434 pages
...deduction. 6. Equal |]m8 situated between the same parallels have equal bases. PROPOSITTON 37. THEOREM. Triangles on the same base and between the same parallels are equal in area. BC Let ABC, DBC be triangles on the same base BC, and between the same parallels AD, BC: it is required... | |
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Prove that parallelograms on the same base and between the same parallels are equal in area. 
