## SYLLABUS OF PLANE GEOMETRY |

### Inni boken

Side 10

The opposite angles made by two straight lines that intersect are called vertically opposite angles . DEF . 22. ... A diagonal is the

The opposite angles made by two straight lines that intersect are called vertically opposite angles . DEF . 22. ... A diagonal is the

**straight line joining**the vertices of any angles of a polygon which have not a common arm . DEF . 26. Side 18

18 A SYLLABUS OF projections on any other straight line ; conversely , parallel straight lines that have equal projections on another ... The

18 A SYLLABUS OF projections on any other straight line ; conversely , parallel straight lines that have equal projections on another ... The

**straight line joining**the middle points of two sides of a triangle is parallel to the base . Side 20

The locus of a point at a given distance from a given

The locus of a point at a given distance from a given

**straight line**is the pair of**straight lines**parallel to the given ... two given points is the**straight line**that bisects , at right angles , the line**joining**the given points . iv . Side 22

If two equal triangles stand on the same base and on the same side of it , or on equal bases in the same

If two equal triangles stand on the same base and on the same side of it , or on equal bases in the same

**straight line**and on the same side of that**straight line**, the line**joining**their vertices is parallel to the base or to that ... Side 24

... the sum of the squares on half the base and on the line

... the sum of the squares on half the base and on the line

**joining**the vertex to the middle point of the base . THEOR , 13. If a**straight line**is divided internally or externally at any point , the sum of the squares on the segments is ...### Hva folk mener - Skriv en omtale

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according altitude angles are equal angles equal antecedent arcs base bisects Book called centre chord circumference circumscribe common conjugate consequent construct corresponding Definitions denoted describe diameter difference distance divided draw equal angles equal circles externally extremes formed former four GEOMETRY given angle given circle given point given ratio given straight line greater angle Hence identically equal inscribed intercepts interior angles internally intersection kind less Limits Loci locus magnitudes major mean meet minor arcs multiple opposite opposite angles pair parallel parallelogram passes perpendicular point of contact polygon position PROB produced proof proportional proposition quadrilateral radii radius ratio compounded ratios are equal rectangle contained rectilineal figure regular respectively right angles Rule of Conversion sectors segment sides similar square stand straight line drawn subtended Superposition SYLLABUS taken tangent THEOR Theorem third touch triangle true unequal vertex whence whole wholly

### Populære avsnitt

Side 14 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.

Side 17 - Assuming that the areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles...

Side 14 - Of all the straight lines that can be drawn to a given straight line from a given point outside it, the perpendicular is the shortest.

Side 13 - Any two sides of a triangle are together greater than the third side.

Side 23 - 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.

Side 13 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.

Side 34 - If the distance between the centres of two circles is equal to the difference of their radii, the two circles will touch each other internally.

Side 56 - If three straight lines be proportionals, the rectangle contained by the extremes is equal to the square on the mean ; and conversely, if the rectangle contained by the extremes be equal to the square on the mean, the three straight lines are proportionals.

Side 28 - In the same circle, or in equal circles, equal arcs are subtended by equal chords : and conversely, equal chords subtend equal arcs.

Side 4 - The enunciation of a Theorem consists of two parts, — the hypothesis, or that which is assumed, and the conclusion, or that which is asserted to follow therefrom. Thus in the typical Theorem, If A is B, then C is D, (i), the hypothesis is that A is B, and the conclusion, that C is D.