A Course of Practical Geometry for mechanics1844 |
Inni boken
Resultat 1-5 av 8
Side 7
... vertical line is that which presents the greatest contrast possible to a horizontal line , being always ... Angle , i . e . , one which is either greater , or less than a right angle . 6. A Tangent is a line that touches a circle , or ...
... vertical line is that which presents the greatest contrast possible to a horizontal line , being always ... Angle , i . e . , one which is either greater , or less than a right angle . 6. A Tangent is a line that touches a circle , or ...
Side 8
... Vertical , or an Inclined plane . 9. A Concave superficies is that which is curvilineally hollowed . 66 10. A Convex superficies is that which is globular . Angles are either Plane or Spherical . VIII . " A Plane Angle is the ...
... Vertical , or an Inclined plane . 9. A Concave superficies is that which is curvilineally hollowed . 66 10. A Convex superficies is that which is globular . Angles are either Plane or Spherical . VIII . " A Plane Angle is the ...
Side 9
... angle ; and the straight line which stands on the other is call- ed a perpendicular to it . Beginners are apt to suppose that a perpendicular , must be a vertical , or plumb line , which it need not be . XI . An obtuse angle is that ...
... angle ; and the straight line which stands on the other is call- ed a perpendicular to it . Beginners are apt to suppose that a perpendicular , must be a vertical , or plumb line , which it need not be . XI . An obtuse angle is that ...
Side 15
W. PEASE. 37. If two sides of a polygon contain an angle , whose vertex projects ... angle ; thus a chord is the subtense of an arc : each of the three angles of ... Vertical angles ; but if a line be drawn upon , and any where between the ...
W. PEASE. 37. If two sides of a polygon contain an angle , whose vertex projects ... angle ; thus a chord is the subtense of an arc : each of the three angles of ... Vertical angles ; but if a line be drawn upon , and any where between the ...
Side 39
... vertical angle . 1. Let A B , Prob . XXXVII . , be the given base , and suppose any angle to be given . 2. Make the angles CAB , CBA , each equal to half the supplement of the given angle ; when the sides AC , BC will at the point C contain ...
... vertical angle . 1. Let A B , Prob . XXXVII . , be the given base , and suppose any angle to be given . 2. Make the angles CAB , CBA , each equal to half the supplement of the given angle ; when the sides AC , BC will at the point C contain ...
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Vanlige uttrykk og setninger
60 degrees altitude angle equal arc or angle base Bisect called centre chords shall form circumference curvilineal cutting BC decagon describe a circle describe an arc describe arcs cutting describe the arc diagonals diameter dodecagon Draw a line Draw chords draw lines Draw the line ellipse equilateral triangle Euclid Euclid's Elements EXAMPLE generatrix geometry given angle given circle given line given point given right line given triangle gonals heptagon inches long inscribe a regular isosceles triangle Join length Let A B line 2 inches line parallel LVIII number of degrees number of equal parallel ruler parallelogram pentagon perpendicular plane point of intersection protractor radii radius ratio rectangle regular nonagon regular polygon rhombus right angles right-angled triangle sector segment square equal straight line superficies tangent trapezium triangle being given triangle equal triangle required vertex vertical angle Vide Def vide Prob