Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids ; to which are Added, Elements of Plane and Spherical TrigonometryW.E. Dean, 1836 - 311 páginas |
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Página 187
... solid angle are together less than four right angles . Let A be a solid ang e contained by any number of plane angles BAC , CAD , DAE , EAF , FAB ; these together are less than four right angles . Let the planes which contain the solid ...
... solid angle are together less than four right angles . Let A be a solid ang e contained by any number of plane angles BAC , CAD , DAE , EAF , FAB ; these together are less than four right angles . Let the planes which contain the solid ...
Página 303
... solid angle , that it is the half , or the double of an- other solid angle ; nor did any geometer ever think of proposing the pro- blem of bisecting a given solid angle . In a word , no multiple or sub - mul- tiple of such an angle can ...
... solid angle , that it is the half , or the double of an- other solid angle ; nor did any geometer ever think of proposing the pro- blem of bisecting a given solid angle . In a word , no multiple or sub - mul- tiple of such an angle can ...
Página 309
... angle EBA is equal to the angle FBA , and the triangle EBA equal to the ... solid figures , each of which is contained by six triangles , one of them by ... solid is contained by the same three triangles , the common vertex of ...
... angle EBA is equal to the angle FBA , and the triangle EBA equal to the ... solid figures , each of which is contained by six triangles , one of them by ... solid is contained by the same three triangles , the common vertex of ...
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Términos y frases comunes
ABC is equal ABCD adjacent angles altitude angle ABC angle ACB angle BAC angles equal arc AC base BC bisected centre chord circle ABC circumference cosine cylinder definition demonstrated diameter divided equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given straight line greater Hence hypotenuse inscribed join less Let ABC Let the straight magnitudes meet multiple opposite angle parallel parallelogram parallelopiped perpendicular polygon prism PROP proposition quadrilateral radius ratio rectangle contained rectilineal figure remaining angle right angled triangle SCHOLIUM segment semicircle shewn side BC sine solid angle spherical angle spherical triangle square straight line BC THEOR third touches the circle triangle ABC triangle DEF wherefore