The Elements of Euclid; viz. the first six books,together with the eleventh and twelfth, with an appendixThomas Tegg, 1841 - 351 páginas |
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Página 72
... circle two straight lines cut one another , which do not both pass through the centre , they do not bisect each other . Let ABCD be a circle , and AC , BD two straight lines in it which cut one another in the point E , and do not both ...
... circle two straight lines cut one another , which do not both pass through the centre , they do not bisect each other . Let ABCD be a circle , and AC , BD two straight lines in it which cut one another in the point E , and do not both ...
Página 74
... circumference , that are equal to one another , one upon each side of the diameter . Let ABCD be a circle , and AD its diameter , in which let any point F be taken which is not the centre : let E be the centre ; of all the straight ...
... circumference , that are equal to one another , one upon each side of the diameter . Let ABCD be a circle , and AD its diameter , in which let any point F be taken which is not the centre : let E be the centre ; of all the straight ...
Página 82
... circle : and , of all others , that which is nearer to the centre is always greater than one more remote ; and the greater is nearer to the centre than the less . Let ABCD be a circle , of which the diameter is AD , and the centre E ...
... circle : and , of all others , that which is nearer to the centre is always greater than one more remote ; and the greater is nearer to the centre than the less . Let ABCD be a circle , of which the diameter is AD , and the centre E ...
Página 88
... circle are equal to one another . Let ABCD be a circle , and BAD , BED angles in the same segment BAED : the angles BAD , BED shall be equal to one another . First , let the segment BAED be B greater than a semicircle ; find F the ...
... circle are equal to one another . Let ABCD be a circle , and BAD , BED angles in the same segment BAED : the angles BAD , BED shall be equal to one another . First , let the segment BAED be B greater than a semicircle ; find F the ...
Página 89
... ABCD be a quadrilateral figure in the circle ABCD ; any two of its opposite angles shall together be equal to two right angles . Join AC , BD ; and because the three angles of every triangle are equal * to two right angles , the three ...
... ABCD be a quadrilateral figure in the circle ABCD ; any two of its opposite angles shall together be equal to two right angles . Join AC , BD ; and because the three angles of every triangle are equal * to two right angles , the three ...
Otras ediciones - Ver todas
The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... Euclid Sin vista previa disponible - 2015 |
The Elements of Euclid: Viz. the First Six Books, Together With the Eleventh ... Euclid Sin vista previa disponible - 2023 |
Términos y frases comunes
AB is equal AC is equal altitude angle ABC angle ACB angle BAC base BC bisect centre circle ABCD circle EFGH circumference common section cone cylinder demonstrated described diameter draw equal to F equiangular equilateral equimultiples exterior angle fore given rectilineal given straight line gnomon inscribed join less Let ABC meet multiple opposite angle parallel parallelogram parallelopiped perpendicular polygon prisms PROB proved pyramid ABCG pyramid DEFH Q. E. D. PROP rectangle contained rectilineal figure remaining angle right angles segment solid angle solid CD sphere square of AC straight line AC THEOR third three plane angles three straight lines tiples touches the circle triangle ABC triangle DEF triplicate ratio twice the rectangle wherefore whole
Pasajes populares
Página 173 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Página 56 - Iff a straight line be divided into any two parts, four times the rectangle contained by the whole line, and one of the parts, together with the square of the other part, is equal to the square of the straight line which is made up of the whole and that part.
Página 53 - If a straight line be divided into two equal parts, and also into two unequal parts, the rectangle contained by the unequal parts, together with the square on the line between the points of section, is equal to the square on half the line.
Página 58 - 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.
Página 94 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Página 23 - Any two sides of a triangle are together greater than the third side.
Página 40 - EQUAL triangles upon the same base, and upon the same side of it, are between the same parallels.
Página 103 - If from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle, shall be equal to the square on the line which touches it.
Página 50 - PROP. I. THEOR. If there oe two straight lines, one of which is divided into any number of parts; the rectangle contained by the two straight lines, is equal to the rectangles contained by the undivided line, and the several parts of the divided line.
Página 28 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.