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 TrigonometryLippincott, Grambo & Company, 1854 - 317 sider |
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Side 10
... sides . 20. An isosceles triangle is that which has only two sides equal . ΔΔΔ 21. A scalene triangle is that which has three unequal sides . 22. A right angled triangle is that which has a right angle . 23. An obtuse angled triangle is ...
... sides . 20. An isosceles triangle is that which has only two sides equal . ΔΔΔ 21. A scalene triangle is that which has three unequal sides . 22. A right angled triangle is that which has a right angle . 23. An obtuse angled triangle is ...
Side 13
... 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 , shall be equal ; and the areas of the triangles shall be equal ...
... 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 , shall be equal ; and the areas of the triangles shall be equal ...
Side 14
... 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 shall be equal , and their areas shall be equal , and their other angles , to ...
... 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 shall be equal , and their areas shall be equal , and their other angles , to ...
Side 15
... side of the base . COROLLARY . 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 are opposite to them , are also equal to one ...
... side of the base . COROLLARY . 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 are opposite to them , are also equal to one ...
Side 16
... sides of the other each to each , and have likewise their bases equal ; the angle which is contain ed by the two sides of the one shall be equal to the angle contained by the two sides of the other . Let ABC , DEF be two triangles ...
... sides of the other each to each , and have likewise their bases equal ; the angle which is contain ed by the two sides of the one shall be equal to the angle contained by the two sides of the other . Let ABC , DEF be two triangles ...
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Vanlige uttrykk og setninger
ABC is equal ABCD adjacent angles altitude angle ABC angle ACB angle BAC base BC bisected centre chord circle ABC circumference cosine cylinder demonstrated described diameter divided draw equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given rectilineal 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 PROB PROP proportional proposition quadrilateral radius ratio rectangle contained rectilineal figure remaining angle right angled triangle SCHOLIUM segment semicircle shewn side BC sine solid angle solid parallelopiped spherical angle spherical triangle square straight line BC THEOR touches the circle triangle ABC triangle DEF wherefore