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 sider |
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Resultat 1-3 av 81
Side 42
... angles CAB , ABC ; to these angles add the angle ACB , and the angles ACD , ACE are equal to the three angles CBA , BAC , ACB ; but the angles ACD ACB are equal ... right angles . PROP . XXXIII . THEOR . The straight lines which 42 ELEMENTS.
... angles CAB , ABC ; to these angles add the angle ACB , and the angles ACD , ACE are equal to the three angles CBA , BAC , ACB ; but the angles ACD ACB are equal ... right angles . PROP . XXXIII . THEOR . The straight lines which 42 ELEMENTS.
Side 87
... right angles , and BAC is a right angle , ABC must be less than a right angle ; and therefore the angle in a segment ABC , greater than a semicircle , is less than a right angle . Also because ABCD is a quadrilateral figure in a circle ...
... right angles , and BAC is a right angle , ABC must be less than a right angle ; and therefore the angle in a segment ABC , greater than a semicircle , is less than a right angle . Also because ABCD is a quadrilateral figure in a circle ...
Side 308
... right angles ; but the angles which it has described are the three exterior angles of the triangle ABC , therefore the exterior angles of the triangle ABC are equal to four right angles . 2. If the rectilineal figure have any number of ...
... right angles ; but the angles which it has described are the three exterior angles of the triangle ABC , therefore the exterior angles of the triangle ABC are equal to four right angles . 2. If the rectilineal figure have any number of ...
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Vanlige uttrykk og setninger
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