Geometrical Drawing: With Notes and Examples ...University Press, 1900 |
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Side 54
... shew that DCA = 45 ° . = The three angles of a triangle are together equal to two right angles therefore BAC = 75 ° . ( 96 ) To inscribe in a given circle a triangle the angles of which are given . At a point B of the given circle draw ...
... shew that DCA = 45 ° . = The three angles of a triangle are together equal to two right angles therefore BAC = 75 ° . ( 96 ) To inscribe in a given circle a triangle the angles of which are given . At a point B of the given circle draw ...
Side 66
... shew furlongs . In drawing the scale first make the lower line moderately thick , and of the length required , then make two perpendiculars at the ends about the same length as shewn in the example . Next draw a thin line parallel to ...
... shew furlongs . In drawing the scale first make the lower line moderately thick , and of the length required , then make two perpendiculars at the ends about the same length as shewn in the example . Next draw a thin line parallel to ...
Side 68
... shew yards , feet and inches . Divide the line given to shew the required number of yards . Put the zero point at the right - hand side of the last division on the left . Divide this division into three equal parts to shew feet . Let ...
... shew yards , feet and inches . Divide the line given to shew the required number of yards . Put the zero point at the right - hand side of the last division on the left . Divide this division into three equal parts to shew feet . Let ...
Side 69
... shew inches . To measure then 3 yards , 2 feet , 7 inches . Find the point indicating 2 feet , follow the slanting line from it to the seventh parallel , ( for the seven inches , ) and follow along this parallel to where it crosses the ...
... shew inches . To measure then 3 yards , 2 feet , 7 inches . Find the point indicating 2 feet , follow the slanting line from it to the seventh parallel , ( for the seven inches , ) and follow along this parallel to where it crosses the ...
Side 124
... shew many different divisions of an inch from Ioths to 60ths and are a foot long . On examining some of these divisions they are found not to refer to inches but to three inches as unit . For instance look at the upper line marked 40 ...
... shew many different divisions of an inch from Ioths to 60ths and are a foot long . On examining some of these divisions they are found not to refer to inches but to three inches as unit . For instance look at the upper line marked 40 ...
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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