Lessons on Form: Or, An Introduction to Geometry, as Given in a Pestalozzian School, Cheam, SurreyTaylor and Walton, 1837 - 215 páginas |
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Página xi
... . - One Triangle IV . Two Triangles - their Equality V. - Equality of Triangles VI . - Quadrilateral Figures • Page 9 11 13 18 20 21 22 25 26 28 31 33 48 63 74 88 99 SECTION VII . - Equality of Squares , Rectangles ,
... . - One Triangle IV . Two Triangles - their Equality V. - Equality of Triangles VI . - Quadrilateral Figures • Page 9 11 13 18 20 21 22 25 26 28 31 33 48 63 74 88 99 SECTION VII . - Equality of Squares , Rectangles ,
Página xii
... Rectangles , and Parallelo- grams VIII . - Proportional Triangles IX . - Polygons · Page 113 139 149 · CHAPTER II . SECTION I. - One Circle - One and Two Straight Lines in a Circle • II . - Three and more Straight lines in a Circle III ...
... Rectangles , and Parallelo- grams VIII . - Proportional Triangles IX . - Polygons · Page 113 139 149 · CHAPTER II . SECTION I. - One Circle - One and Two Straight Lines in a Circle • II . - Three and more Straight lines in a Circle III ...
Página 16
... parallelogram , or simply rectangle , and the latter merely parallelogram . The other quadrila- teral figures of which three sides only are equal , or of which all four are unequal , are called trapeziums 16 LESSONS ON FORM , BEING.
... parallelogram , or simply rectangle , and the latter merely parallelogram . The other quadrila- teral figures of which three sides only are equal , or of which all four are unequal , are called trapeziums 16 LESSONS ON FORM , BEING.
Página 17
... rectangle . 9. — A quadrilateral figure which has two pairs of equal opposite and parallel sides , but its angles not right angles , is called a parallelogram . 10. All other quadrilateral figures are called trapeziums . LESSON VI . M ...
... rectangle . 9. — A quadrilateral figure which has two pairs of equal opposite and parallel sides , but its angles not right angles , is called a parallelogram . 10. All other quadrilateral figures are called trapeziums . LESSON VI . M ...
Página 25
... rectangles or parallelograms . M. - Such solids are called prisms . Which of the faces would you call the base of the prism ? P. - Either of the polygons may be its base . M. — Examine the solid angles . How are they form- ed , and what ...
... rectangles or parallelograms . M. - Such solids are called prisms . Which of the faces would you call the base of the prism ? P. - Either of the polygons may be its base . M. — Examine the solid angles . How are they form- ed , and what ...
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Términos y frases comunes
a b and c d a c b a c d acute angles adjacent angle alternate angles angle a b c angle contained angles are equal angles equal base called centre chords circumference cut the circle demonstration diameter dodecahedron edges equal angles equal sides equilateral exterior angle greater inscribed interior and opposite isosceles triangle LESSON likewise lines a b lines be drawn M.-Compare M.-Demonstrate M.-Draw M.-Express M.-Hence M.-What M.-When obtuse angle octahedron opposite angles P.-Because P.-The angle parallelogram pentagon perpendicular plane angles plane faces point of contact pupils pyramid quadrilateral figure rectangle contained rhomb right angles semi-circumference similar triangles slates solid angles sphere square straight line joining tangent third side three angles trapezium triangle a b c triangles are equal truth twice the rectangle unequal whole line
Pasajes populares
Página 98 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Página 134 - In obtuse-angled triangles, if a perpendicular be drawn from either of the acute angles to the opposite side produced, the square on the side subtending the obtuse angle, is greater than the squares on the sides containing the obtuse angle, by twice the rectangle contained by the side...
Página 137 - In every triangle, the square of the side subtending either of the acute angles is less than the squares of the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular let fall upon it from the opposite angle, and the acute angle.
Página 219 - A very convenient class-book for junior students in' private schools. It is intended to convey, in clear and precise terms, general notions of all the principal divisions of Physical Science.