Geometry for schools, comprising books i. and ii. of Euclid, with some additions and numerous exercises, by A.J.G. BarclayOliver & Boyd, 1883 - 96 páginas |
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Página 16
... bisects the vertical angle of an isosceles triangle bisects the base , and is at right angles to the base . 6. Every equilateral triangle is also equiangular . 7. If two isosceles triangles are on the same base and on opposite sides of ...
... bisects the vertical angle of an isosceles triangle bisects the base , and is at right angles to the base . 6. Every equilateral triangle is also equiangular . 7. If two isosceles triangles are on the same base and on opposite sides of ...
Página 17
... bisect each of the angles through which they pass , the figure is equilateral . 12. If the straight line joining the vertex of a triangle to the middle point of the base is also at right angles to the base , the triangle is isosceles ...
... bisect each of the angles through which they pass , the figure is equilateral . 12. If the straight line joining the vertex of a triangle to the middle point of the base is also at right angles to the base , the triangle is isosceles ...
Página 19
... bisect BAC . Take any point D in AB and cut off in AC , AE = AD ( Post . 3 ) . Join DE ; and on DE on the side ... bisect a given finite straight line . Given AB a straight line . To bisect AB . On AB describe an equil . △ ACB ( I. 1 ) ...
... bisect BAC . Take any point D in AB and cut off in AC , AE = AD ( Post . 3 ) . Join DE ; and on DE on the side ... bisect a given finite straight line . Given AB a straight line . To bisect AB . On AB describe an equil . △ ACB ( I. 1 ) ...
Página 21
... Bisect ED at H ( I. 10 ) . H B Join CH ( Post . 1 ) . CH is the line required . Join CE and CD . In triangles CHE , CHD , EH = HD ( cons . ) , and CH is common , and CE = CD ( Def . 11 ) , .. ^ EHC = ^ DHC ( I. 8 ) , and .. EHC- and ...
... Bisect ED at H ( I. 10 ) . H B Join CH ( Post . 1 ) . CH is the line required . Join CE and CD . In triangles CHE , CHD , EH = HD ( cons . ) , and CH is common , and CE = CD ( Def . 11 ) , .. ^ EHC = ^ DHC ( I. 8 ) , and .. EHC- and ...
Otras ediciones - Ver todas
Geometry For Schools, Comprising Books I. And Ii. Of Euclid, With Some ... Euclides Sin vista previa disponible - 2019 |
Geometry For Schools, Comprising Books I. And Ii. Of Euclid, With Some ... Euclides Sin vista previa disponible - 2019 |
Términos y frases comunes
AC² angle contained angles equal angular points Atlas base BC BC² bisect Boyd's School Carefully Revised centre Coloured Maps cons construct a triangle diagonals Dr Douglas's Dr Reid's Edinburgh Academy Euclid Exercises exterior angle figure has sides find a point four right angles full-coloured Maps George Watson's College given line given point given straight line given triangle hypotenuse interior isosceles triangle late Head Master Lawson's LL.D middle points Modern Geography Oliver and Boyd's opposite angles opposite sides Outline of Sacred parallelogram perpendicular Physical Geography point in CD polygon produced PROP proposition prove quadrilateral Questions for Examination rect rectangle contained reflex angle regular polygon Reid's Elements rhombus right-angled triangle Rudiments of Modern Sacred Geography showing Recent sides equal square St Mark's College Text-Book THEOR trapezium triangles ABC vertex WILLIAM LAWSON
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