Geometrical Drawing: With Notes and Examples ...University Press, 1900 |
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Resultat 1-5 av 13
Side 26
... vertex of the pentagon . With centres V , A , and B and distance equal to AB make arcs to meet in F , and C. Join BC , CV , VF , FA . If AB = 2. AH = 1 . fore the angle AVH = 18 ° . VAB = VBA = 72 ° . AD = √5 , so that AV = √5 + 1 ...
... vertex of the pentagon . With centres V , A , and B and distance equal to AB make arcs to meet in F , and C. Join BC , CV , VF , FA . If AB = 2. AH = 1 . fore the angle AVH = 18 ° . VAB = VBA = 72 ° . AD = √5 , so that AV = √5 + 1 ...
Side 59
... vertex K , of an equilateral triangle , then we know that K is the centre of a regular hexagon on LM . With centre L and distance KM describe an arc , and by trial divide it into six equal parts . With centre K and at distances equal to ...
... vertex K , of an equilateral triangle , then we know that K is the centre of a regular hexagon on LM . With centre L and distance KM describe an arc , and by trial divide it into six equal parts . With centre K and at distances equal to ...
Side 78
... vertex to the base and multiply the altitude thus found by half the base , or else the whole base by half the altitude . Again to find a rectangle equal in area to a triangle we make its sides equal to the base and half the altitude 78 ...
... vertex to the base and multiply the altitude thus found by half the base , or else the whole base by half the altitude . Again to find a rectangle equal in area to a triangle we make its sides equal to the base and half the altitude 78 ...
Side 79
... vertex of this triangle draw a parallel to the base . The vertex of the triangle required is somewhere on this parallel . For example suppose we want to describe a triangle on a base of 2 inches , the area of which is 4 square inches ...
... vertex of this triangle draw a parallel to the base . The vertex of the triangle required is somewhere on this parallel . For example suppose we want to describe a triangle on a base of 2 inches , the area of which is 4 square inches ...
Side 82
... vertex at D. Produce AF both ways . Count the points first , second , third , namely A , B , C. Join the first and third , A and C ; and draw a parallel through B the second point to meet AF in G. Join CG , then the figure GCDEF is ...
... vertex at D. Produce AF both ways . Count the points first , second , third , namely A , B , C. Join the first and third , A and C ; and draw a parallel through B the second point to meet AF in G. Join CG , then the figure GCDEF is ...
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Vanlige uttrykk og setninger
ABC having given ABCD angular points arc to meet arcs to intersect Bisect the angle centre of similitude chord circle centre circle of given circular arcs circumscribing circle construct a triangle curve cycloid describe a circle diameter distance equal divide draw a circle draw a tangent draw parallels draw perpendiculars drawn elevation ellipse equal in area equal sides equilateral triangle exterior angle feet find the centre furlongs given angle given base given circle given point given radius given straight line given triangle heptagon hypotenuse inches isosceles triangle Join AC Let ABC mean proportional measure miles number of equal number of sides obtained parallelogram plane points of division produced protractor radii rectangle rectilineal figure regular pentagon regular polygon rhombus right angles right-angled triangle segment semicircle shew shewn similar figures spiral straight line AC tangent triangle ABC vertex vertical angle zero point