Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious Notes and IllustrationsA. Constable & Company, 1817 - 432 Seiten |
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Ergebnisse 1-5 von 27
Seite 25
... angle CED of the triangle CDE is acute , and consequently its adjacent angle CEG is obtuse . Where- fore CEG , being greater than a right angle , is still greater than CGE , and the opposite side CG must be greater ( I. 13. ) than CE ...
... angle CED of the triangle CDE is acute , and consequently its adjacent angle CEG is obtuse . Where- fore CEG , being greater than a right angle , is still greater than CGE , and the opposite side CG must be greater ( I. 13. ) than CE ...
Seite 36
... angle of a triangle is equal to both its opposite interior angles , and all the interior angles of a triangle are ... adjacent angle BCA to the exterior angle BCD , and to the B I N D two interior angles CAB and ABC ; and all the ...
... angle of a triangle is equal to both its opposite interior angles , and all the interior angles of a triangle are ... adjacent angle BCA to the exterior angle BCD , and to the B I N D two interior angles CAB and ABC ; and all the ...
Seite 38
... angles . The exterior angles DEF , CDG , BCH , ABI , and EAK of the rectilineal figure ABCDE are taken together equal to four right angles . H For each exterior angle DEF , with its adjacent interior one AED , is equal to two right angles ...
... angles . The exterior angles DEF , CDG , BCH , ABI , and EAK of the rectilineal figure ABCDE are taken together equal to four right angles . H For each exterior angle DEF , with its adjacent interior one AED , is equal to two right angles ...
Seite 39
... angles might be de- duced from the successive deflections which a side would make ... angle at B be equal to the opposite one at D , and the angle at A equal to ... adjacent angles must be equal to two right angles . Wherefore ABC and BCD ...
... angles might be de- duced from the successive deflections which a side would make ... angle at B be equal to the opposite one at D , and the angle at A equal to ... adjacent angles must be equal to two right angles . Wherefore ABC and BCD ...
Seite 44
... adjacent sidés . A rhomboid is often indicated merely by the two letters pla- ced at opposite corners . PROP . I ... angle AED is equal to the exterior angle CBF ( I. 22. ) . Thus the two triangles EDA , BFC have the sides ED , EA equal ...
... adjacent sidés . A rhomboid is often indicated merely by the two letters pla- ced at opposite corners . PROP . I ... angle AED is equal to the exterior angle CBF ( I. 22. ) . Thus the two triangles EDA , BFC have the sides ED , EA equal ...
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Elements of Geometry, and Plane Trigonometry: With an Appendix, and Very ... University Professor Emeritus John Leslie, Sir Keine Leseprobe verfügbar - 2016 |
Häufige Begriffe und Wortgruppen
ABCD adjacent angle altitude angle ABC angle ADB angle BAC base AC bisect centre chord circle circumference consequently construction contained angle cosine decagon denote describe diameter difference distance diverging lines divided draw equal to BC equilateral triangle equivalent to twice evidently exterior angle given greater half Hence hypotenuse inscribed isosceles triangle join let fall likewise measure parallel perpendicular point G polygon PROB PROP Proposition quadrilateral figure quantities radius ratio rectangle rectangle contained rectilineal figure rhomboid right angles right-angled triangle Scholium segments semicircle semiperimeter sequently side AC sinB sine square of AB square of AC straight line tangent THEOR tion triangle ABC twice the rectangle twice the square vertex vertical angle whence Wherefore