Lessons on Form: Or, An Introduction to Geometry, as Given in a Pestalozzian School, Cheam, SurreyTaylor and Walton, 1837 - 215 sider |
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Side 10
... M. - How many edges therefore must this solid have ? P.- Six edges ; because there are six twos in twelve . M. - Now take the solid , examine it , and see whe- ther it is so . How ... M. - Compare the sides of the 10 LESSONS ON FORM , BEING.
... M. - How many edges therefore must this solid have ? P.- Six edges ; because there are six twos in twelve . M. - Now take the solid , examine it , and see whe- ther it is so . How ... M. - Compare the sides of the 10 LESSONS ON FORM , BEING.
Side 11
... M. - Compare the sides of the faces of the tetra- hedron . What do you observe ? P. - They are of the same length ; they are equal . M. - How will you call a triangle which has three equal sides ? P. - An equal - sided triangle . M ...
... M. - Compare the sides of the faces of the tetra- hedron . What do you observe ? P. - They are of the same length ; they are equal . M. - How will you call a triangle which has three equal sides ? P. - An equal - sided triangle . M ...
Side 14
... M. - Compare the sides and the angles of the faces of the hexahedron . P. - The sides are all equal to one another : the angles are likewise equal . M. - Represent such a face on your slate . The angles of this figure are called right ...
... M. - Compare the sides and the angles of the faces of the hexahedron . P. - The sides are all equal to one another : the angles are likewise equal . M. - Represent such a face on your slate . The angles of this figure are called right ...
Side 19
... M. - Compare these angles . Do difference respecting them ? you observe some P. - Those of which there are three about a solid angle are greater than those of which there are four . M. - Define these angles more strictly . P. - Some of ...
... M. - Compare these angles . Do difference respecting them ? you observe some P. - Those of which there are three about a solid angle are greater than those of which there are four . M. - Define these angles more strictly . P. - Some of ...
Side 25
... M. ( placing several prisms before his pupils ) —Exam- ine these solids . What do you observe ? P. - Two of the faces are polygons , the others are rectangles or parallelograms . M ... Compare this prism with the hexahedron . C P. - The faces ...
... M. ( placing several prisms before his pupils ) —Exam- ine these solids . What do you observe ? P. - Two of the faces are polygons , the others are rectangles or parallelograms . M ... Compare this prism with the hexahedron . C P. - The faces ...
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Lessons on Form: Or, An Introduction to Geometry, as Given in a Pestalozzian ... Charles Reiner Uten tilgangsbegrensning - 1837 |
Lessons on Form: Or, An Introduction to Geometry, as Given in a Pestalozzian ... Charles Reiner Uten tilgangsbegrensning - 1837 |
Vanlige uttrykk og setninger
a b and c d a b d a c d acute angles adjacent angle angle contained angles a b c angles are equal base bisect bounded called centre CHEAM SCHOOL chords circumference cloth cut the circle demonstration diagonal diameter DIONYSIUS LARDNER dodecahedron draw equal angles equilateral exterior angle Foolscap 8vo greater Greek Greek Language interior and opposite isosceles triangle Latin LATIN LANGUAGE LESSON likewise M.-Compare M.-Demonstrate M.-Draw M.-Hence M.-What M.-When master obtuse angle octahedron opposite angles P.-Because P.-That P.-The angle P.-They parallelogram pentagon perpendicular plane angles point of contact pupils quadrilateral figure rectangle contained rhomb right angles semi-circumference similar triangles slates solid angles sphere square straight line joining tangent TAYLOR AND WALTON trapezium triangle a b c triangles are equal truth twice the rectangle unequal
Populære avsnitt
Side 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.
Side 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...
Side 117 - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
Side 139 - 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.
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Side 74 - If a side of any triangle be produced, the exterior angle is equal to the two interior and opposite angles; and the three interior angles of every triangle are together equal to two right angles.
Side 80 - ... one of them greater than the angle contained by the two sides equal to them, of the other ; the base of that which has the greater angle shall be greater than the base of the other. Let ABC, DEF be two triangles which have the two sides, AB, AC, equal to...
Side 159 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Side 74 - If one side of a triangle be produced, the exterior angle is greater than either of the interior, and opposite angles.