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 TrignonometryBell & Bradfute, 1875 - 257 pagine |
Dall'interno del libro
Risultati 1-5 di 85
Pagina 2
... sides . XX . An isosceles tri- angle is that which has ( only ) two sides equal . AA XXI . A scalene triangle is that which has three unequal sides . XXII . A right - angled triangle is that which 2 ELEMENTS OF GEOMETRY .
... sides . XX . An isosceles tri- angle is that which has ( only ) two sides equal . AA XXI . A scalene triangle is that which has three unequal sides . XXII . A right - angled triangle is that which 2 ELEMENTS OF GEOMETRY .
Pagina 3
... sides equal . XXVII . A rhombus is that which has all its sides equal , but its angles are not right angles . XXVIII . A rhomboid is that which has its opposite sides equal to one another , but all its sides are not equal , nor its ...
... sides equal . XXVII . A rhombus is that which has all its sides equal , but its angles are not right angles . XXVIII . A rhomboid is that which has its opposite sides equal to one another , but all its sides are not equal , nor its ...
Pagina 5
... sides of the one equal to two sides of the other , each to each ; and have likewise the angles contained by those sides equal to one another , their bases or third sides are equal ; and the areas of the triangles are equal ; and their ...
... sides of the one equal to two sides of the other , each to each ; and have likewise the angles contained by those sides equal to one another , their bases or third sides are equal ; and the areas of the triangles are equal ; and their ...
Pagina 6
... sides of the one equal to two sides of the other , each to each , and have likewise the angles con- tained by those sides equal to one another ; their bases are equal , and their areas are equal , and their other angles , to which the equal ...
... sides of the one equal to two sides of the other , each to each , and have likewise the angles con- tained by those sides equal to one another ; their bases are equal , and their areas are equal , and their other angles , to which the equal ...
Pagina 7
... side of the base . Therefore , the angles at the base , & c . Q. E. D. COR . Hence , every equilateral triangle is also equiangular . PROP . VI . THEOR . If two angles of a triangle be equal to one another , the sides which subtend , or ...
... side of the base . Therefore , the angles at the base , & c . Q. E. D. COR . Hence , every equilateral triangle is also equiangular . PROP . VI . THEOR . If two angles of a triangle be equal to one another , the sides which subtend , or ...
Altre edizioni - Visualizza tutto
Elements of Geometry; Containing the First Six Books of Euclid, With Two ... John 1748-1819 Playfair Anteprima non disponibile - 2021 |
Parole e frasi comuni
ABC is equal ABCD adjacent angles altitude angle ABC angle ACB angle BAC base BC bisected centre chord circle ABC circumference cosine cylinder demonstrated diameter draw equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore given circle given point given straight line hypotenuse inscribed less Let ABC Let the straight meet multiple opposite angle parallel parallelogram perpendicular plane polygon prism PROB produced proportionals proposition Q. E. D. COR Q. E. D. PROP radius rectangle contained rectilineal figure remaining angle right angles segment semicircle similar sine solid angle solid parallelepipeds spherical angle spherical triangle straight line AC straight line drawn tangent THEOR third three straight lines touches the circle triangle ABC triangle DEF wherefore