Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious Notes and IllustrationsA. Constable & Company, 1817 - 432 Seiten |
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Seite 5
... BC , or the opening formed by turning BA about the point B into the position BC , is named ABC or CBA . A- 4. A ... equal to each other . If a straight line CB stand at equal angles CBA and CBD on another straight line AD , and if the ...
... BC , or the opening formed by turning BA about the point B into the position BC , is named ABC or CBA . A- 4. A ... equal to each other . If a straight line CB stand at equal angles CBA and CBD on another straight line AD , and if the ...
Seite 14
... equal , if two sides and the angle contained by these in the one be respective- ly equal to two sides and the contained angle in the other . Let ABC and DEF be two triangles , of which the side AB is equal to DE , the side BC to EF ...
... equal , if two sides and the angle contained by these in the one be respective- ly equal to two sides and the contained angle in the other . Let ABC and DEF be two triangles , of which the side AB is equal to DE , the side BC to EF ...
Seite 15
... equal to a given angle . At the point D in the given straight line DE , to form an angle equal to the given angle BAC . In the sides AB and AC of the given angle , assume the points G and H , join GH , from DE ... AB and BC of the BOOK I. 15.
... equal to a given angle . At the point D in the given straight line DE , to form an angle equal to the given angle BAC . In the sides AB and AC of the given angle , assume the points G and H , join GH , from DE ... AB and BC of the BOOK I. 15.
Seite 16
... AB and BC of the given angle be supposed equal , only one circle would be required , a series of equal isosceles triangles being constituted about its centre . It is evi- dent that this addition is without limit , and that the angle so ...
... AB and BC of the given angle be supposed equal , only one circle would be required , a series of equal isosceles triangles being constituted about its centre . It is evi- dent that this addition is without limit , and that the angle so ...
Seite 18
... equal to BC and BD of the triangle CBD , and the side CD common to them.both ; these triangles ( I. 2. ) are equal , and the angle ACD or ACE is equal to BCD or BCE . Again , the inferior triangles ACE and BCE , having the side AC equal ...
... equal to BC and BD of the triangle CBD , and the side CD common to them.both ; these triangles ( I. 2. ) are equal , and the angle ACD or ACE is equal to BCD or BCE . Again , the inferior triangles ACE and BCE , having the side AC 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