Elements of Geometry: Being Chiefly a Selection from Playfair's GeometryA. Walker, 1829 - 186 sider |
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Resultat 1-5 av 27
Side 22
... passes through the cen- . tre of the other , the two cir- C D A E cles will cut each other in some point C. From the point C draw the straight lines CA , CB , to the points A , B ( 1 Post . ) ; ABC will be an equilateral triangle ...
... passes through the cen- . tre of the other , the two cir- C D A E cles will cut each other in some point C. From the point C draw the straight lines CA , CB , to the points A , B ( 1 Post . ) ; ABC will be an equilateral triangle ...
Side 34
... passing through the point of concourse E of any number of straight lines , are to- gether equal to two right angles , by Cor . 1 ; therefore all the angles made A at the point of concourse of the lines on both sides of AB are together e ...
... passing through the point of concourse E of any number of straight lines , are to- gether equal to two right angles , by Cor . 1 ; therefore all the angles made A at the point of concourse of the lines on both sides of AB are together e ...
Side 49
... passes ; and let BK , KD be the other parals . which complete the whole figure ABCD , and are therefore called the comple- E ments . The complements BK , KD are equal . B G K Because ABCD , AEKH , KGCF are parallelograms , and AC is ...
... passes ; and let BK , KD be the other parals . which complete the whole figure ABCD , and are therefore called the comple- E ments . The complements BK , KD are equal . B G K Because ABCD , AEKH , KGCF are parallelograms , and AC is ...
Side 53
... rectangles contained by equal straight lines are equal to each other . COR . 2. Squares which stand on equal straight lines are equal to one another . PROPOSITION G. THEOREM . ED . A straight line passing GEOMETRY . BOOK I. 53.
... rectangles contained by equal straight lines are equal to each other . COR . 2. Squares which stand on equal straight lines are equal to one another . PROPOSITION G. THEOREM . ED . A straight line passing GEOMETRY . BOOK I. 53.
Side 54
... passing through the middle of the diagonal of a parallelogram divides the parallelogram into two equal parts . Let ABDC be a paral . , AD a diagonal , and EF a line passing through its middle G ; the figure ABFE is equal to EFDC . For ...
... passing through the middle of the diagonal of a parallelogram divides the parallelogram into two equal parts . Let ABDC be a paral . , AD a diagonal , and EF a line passing through its middle G ; the figure ABFE is equal to EFDC . For ...
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Elements of Geometry: Being Chiefly a Selection from Playfair's Geometry Formerly Chairman Department of Immunology John Playfair,John Playfair Ingen forhåndsvisning tilgjengelig - 2016 |
Elements of Geometry: Being Chiefly a Selection From Playfair's Geometry John Playfair Ingen forhåndsvisning tilgjengelig - 2023 |
Elements of Geometry: Being Chiefly a Selection From Playfair's Geometry John Playfair Ingen forhåndsvisning tilgjengelig - 2023 |
Vanlige uttrykk og setninger
ABC is equal ABCD alternate angles angle ABC angle ACB angle BAC angles AGH angles equal base ABC bases and altitudes bisect centre chord circumference cone Consequently cylinder demonstrations described diagonals diameter divided draw equal angles equal arches equal bases equal circles equal to AC equiangular Euclid's Euclid's Elements exterior angle fore four quantities four right angles geometry given point given straight line gles greater Hence homologous sides intersect KLMN Let ABC meet opposite angles opposite side paral parallel lines parallel to CD parallelogram parallelopipeds perp perpendicular plane polygon prism Prop pyramid Q. E. D. COR Q. E. D. PROPOSITION radius rectangle contained right angled triangle Scholium segments semicircle side AC similar similar triangles solid square straight line &c subtended tangent THEOREM triangle ABC vertex wherefore
Populære avsnitt
Side 36 - Any two sides of a triangle are together greater than the third side.
Side 80 - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
Side 42 - To draw a straight line through a given point parallel to a given straight line. Let A be the given point, and BC the given straight line...
Side 30 - To bisect a given finite straight line, that is, to divide it into two equal parts. Let AB be the given straight line : it is required to divide it intotwo equal parts.
Side 20 - LET it be granted that a straight line may be drawn from any one point to any other point.
Side 38 - Problem. At a given point in a given straight line to make a rectilineal angle equal to a given rectilineal angle.
Side 113 - Wherefore also the angle BAD is equal to the angle CAD : Therefore the angle BAC is cut into two equal angles by the straight line AD.
Side 24 - DE ; the point B shall coincide with the point E, because AB is equal to DE; and AB coinciding with DE, AC shall coincide...
Side 36 - The greater angle of every triangle is subtended by the greater side, or has the greater side opposite to it.