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 23
Side 86
... semicircle , because DC passes through the centre ( Cor . 1. 3. ) ; wherefore the arch AD is equal to the arch DB ... semicircle is a right angle ; but the angle in a segment greater than a semicircle is less than a right angle ...
... semicircle , because DC passes through the centre ( Cor . 1. 3. ) ; wherefore the arch AD is equal to the arch DB ... semicircle is a right angle ; but the angle in a segment greater than a semicircle is less than a right angle ...
Side 252
... semicircle , and the spheri cal angles at A and D are equal , because each of them is the inclina- tion of the circle ABD to the circle ACD . 1. If AB , BC be equal to a semicircle , that is , to AD , BC will be equal to BD , and ...
... semicircle , and the spheri cal angles at A and D are equal , because each of them is the inclina- tion of the circle ABD to the circle ACD . 1. If AB , BC be equal to a semicircle , that is , to AD , BC will be equal to BD , and ...
Side 254
... semicircles ; but the three sides of the triangle FDE , are ( 8. ) less than two semicircles ; therefore the measures of the angles A , B , C are greater than a semicircle ; and hence the angles A , B , C are greater than two right ...
... semicircles ; but the three sides of the triangle FDE , are ( 8. ) less than two semicircles ; therefore the measures of the angles A , B , C are greater than a semicircle ; and hence the angles A , B , C are greater than two right ...
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Elements of Geometry: Containing the First Six Books of Euclid, with a ... John Playfair Uten tilgangsbegrensning - 1836 |
Elements of Geometry: Containing the First Six Books of Euclid: With a ... John Playfair Uten tilgangsbegrensning - 1819 |
Elements of Geometry: Containing the First Six Books of Euclid : with a ... John Playfair Uten tilgangsbegrensning - 1837 |
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 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