Gradations in Euclid : books i. and ii., with an explanatory preface [&c.] by H. Green1870 |
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Resultat 1-5 av 38
Side 27
... centre of a regular polygon lines be drawn to the angular points , the polygon will be divided into equal triangles ; and if the area of one of the triangles be found , that area mul- tiplied by the number of triangles will give the ...
... centre of a regular polygon lines be drawn to the angular points , the polygon will be divided into equal triangles ; and if the area of one of the triangles be found , that area mul- tiplied by the number of triangles will give the ...
Side 30
... centre drawing a line until it shall cut the tangent , this line cutting the tangent being named the secant ; as in ... centres of cir- cles , to all of which TS shall be the common tangent ; then each circle , as it cuts AS , shall ...
... centre drawing a line until it shall cut the tangent , this line cutting the tangent being named the secant ; as in ... centres of cir- cles , to all of which TS shall be the common tangent ; then each circle , as it cuts AS , shall ...
Side 35
... centre A with AB D B E desc . BCD ; 2 3 . 29 3 1 . 4 Sol . DEM . 1 by C.1 , Def . 15 C.2 , Def . 15 from centre B with BA desc . ACE ; Draw A C and BC ; then △ ABC is the eq . lat . △ required . B A is centre of O BCD , .. AC = AB ; O ...
... centre A with AB D B E desc . BCD ; 2 3 . 29 3 1 . 4 Sol . DEM . 1 by C.1 , Def . 15 C.2 , Def . 15 from centre B with BA desc . ACE ; Draw A C and BC ; then △ ABC is the eq . lat . △ required . B A is centre of O BCD , .. AC = AB ; O ...
Side 41
... centre is at the angular point , and the circumference cuts the lines forming the angle : thus , the arc ec is the measure of the angle EDC ; are eg , of angle EDG , & c . A degree is the 360th part of the circumference of a circle ...
... centre is at the angular point , and the circumference cuts the lines forming the angle : thus , the arc ec is the measure of the angle EDC ; are eg , of angle EDG , & c . A degree is the 360th part of the circumference of a circle ...
Side 42
... centre . " Thus , if the arc BD contains 90 ° , and the arc BH 45 ° , the angle BCD will be double of the angle BCH . A B C F G E 16. And the point ( from which the equal lines are drawn ) is called the centre ( kentron , a goad , a ...
... centre . " Thus , if the arc BD contains 90 ° , and the arc BH 45 ° , the angle BCD will be double of the angle BCH . A B C F G E 16. And the point ( from which the equal lines are drawn ) is called the centre ( kentron , a goad , a ...
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Gradations in Euclid : books i. and ii., with an explanatory preface [&c ... Euclides Uten tilgangsbegrensning - 1858 |
Gradations in Euclid: Books I. and II., with an Explanatory Preface [&C.] by ... Euclides Ingen forhåndsvisning tilgjengelig - 2016 |
Vanlige uttrykk og setninger
AB² ABCD AC² AD² adjacent angles Algebra altitude angles equal angular points Arith Arithmetic Axioms base BC BC² bisect centre circle circumference Class-Book of Modern Concl construct defendant's book demonstration describe diagonal diameter difference distance draw a st drawn equilateral Euclid Euclid's Elements given line given point given rectilineal given st gnomon greater hypotenuse interior angles intersect isosceles triangle John Heywood join less line BC line be divided literary magnitude measure monad opposite angles opposite sides parallelogram perpendicular plaintiffs Plane Geometry premiss PROB produced Prop radius Recap rectangle rectangle contained rectilineal figure regular polygon right angles segment side AC sides equal square straight line surface truth twice Vice-Chancellor Wherefore
Populære avsnitt
Side 175 - In obtuse-angled triangles, if a perpendicular be drawn from either of the acute angles to the opposite side produced, the square of the side subtending the obtuse angle, is greater than the squares of the sides containing the obtuse angle, by twice the rectangle contained by the side upon which, when produced, the perpendicular falls, and the straight line intercepted without the triangle, between the perpendicular and the obtuse angle. Let ABC be an obtuse-angled triangle, having the obtuse angle...
Side 95 - ... equal angles in each ; then shall the other sides be equal, each to each ; and also the third angle of the one to the third angle of the other.
Side 178 - If a straight line be divided into any two parts, the squares of the whole line, and of one of the parts, are equal to twice the rectangle contained by the whole and that part, together with the square of the other part. Let the straight line AB be divided into any two parts in the point C ; the squares of AB, BC are equal to twice the rectangle AB, BC, together with the square of AC.
Side 95 - If two triangles have two sides of the one respectively equal to two sides of the other, and the contained angles supplemental, the two triangles are equal.
Side 159 - If a straight line be bisected, and produced to any point ; the rectangle contained by the whole line thus produced, and the part of it produced, together with the square...
Side 102 - IF a straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another; and the exterior angle equal to the interior and opposite upon the same side; and likewise the two interior angles upon the same side together equal to two right angles...
Side 182 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Side 230 - IF a straight line be divided into two equal, and also into two unequal parts ; the squares of the two unequal parts are together double of the square of half the line, and of the square of the line between the points of section.
Side 18 - Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides.
Side 45 - LET it be granted that a straight line may be drawn from any one point to any other point.