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 TrigonometryCollins & Hannay, 1860 - 333 páginas |
Dentro del libro
Resultados 1-3 de 59
Página 175
... perpendicular to BC , and let it meet the circumfer ence again in E ; draw also CG perpendicular to BD : produce BC to A , bisect AC in H , and join CD . It is evident , that the arches BD , BE are cach of them one - sixth of the ...
... perpendicular to BC , and let it meet the circumfer ence again in E ; draw also CG perpendicular to BD : produce BC to A , bisect AC in H , and join CD . It is evident , that the arches BD , BE are cach of them one - sixth of the ...
Página 186
... perpendicular to BC . If then AD be also perpendicu lar to the plaue BH , the thing required is already done ; but if it be not , from the point D draw ( 11. 1. ) , in the plane BH , the straight line DE at right angles to BC ; and from ...
... perpendicular to BC . If then AD be also perpendicu lar to the plaue BH , the thing required is already done ; but if it be not , from the point D draw ( 11. 1. ) , in the plane BH , the straight line DE at right angles to BC ; and from ...
Página 191
... perpendicular to a third plane , their common section is perpendicular to the same plane . Let the two planes AB , BC be each of them perpendicular to a third plane , and BD be the common section of the first two ; BD is perpen- dicular ...
... perpendicular to a third plane , their common section is perpendicular to the same plane . Let the two planes AB , BC be each of them perpendicular to a third plane , and BD be the common section of the first two ; BD is perpen- dicular ...
Otras ediciones - Ver todas
Términos y frases comunes
ABC is equal ABCD altitude angle ABC angle ACB angle BAC angle EDF arch AC base BC bisected centre circle ABC circumference cosine cylinder demonstrated diameter draw equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given straight line greater hypotenuse inscribed join less Let ABC Let the straight line BC magnitudes meet multiple opposite angle parallel parallelogram perpendicular polygon prism PROB produced proportionals proposition Q. E. D. COR Q. E. D. PROP radius ratio rectangle contained rectilineal figure remaining angle segment semicircle side BC sine solid angle solid parallelopipeds spherical angle spherical triangle straight line AC THEOR third touches the circle triangle ABC triangle DEF wherefore