Euclidian Geometry |
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Page 15
... straight line is to another , the latter is 1 to the former . Thus each of the arms of a right is to the other . PROPOSITION VII . It is always possible to draw a RIGHT ANGLES . 15 COR. If DEF be any angle, the adjacent ...
... straight line is to another , the latter is 1 to the former . Thus each of the arms of a right is to the other . PROPOSITION VII . It is always possible to draw a RIGHT ANGLES . 15 COR. If DEF be any angle, the adjacent ...
Page 16
Francis Cuthbertson. PROPOSITION VII . It is always possible to draw a straight line perpendicular to a given straight line from a given point in the same . B A Let BC be the given straight line , and A the given point in it . Then from ...
Francis Cuthbertson. PROPOSITION VII . It is always possible to draw a straight line perpendicular to a given straight line from a given point in the same . B A Let BC be the given straight line , and A the given point in it . Then from ...
Page 18
... straight line AB make with CD upon one side of it the Ls ABC , ABD . These shall either be two rights ; or shall together be two right 4 s . If the ABC is the △ ABD ; But if not , L then each of them is a right 4 . through B draw BEL ...
... straight line AB make with CD upon one side of it the Ls ABC , ABD . These shall either be two rights ; or shall together be two right 4 s . If the ABC is the △ ABD ; But if not , L then each of them is a right 4 . through B draw BEL ...
Page 19
... straight lines shall be in one and the same straight line . B Let BC , BD drawn from B one extremity of AB make the ... draw a 2-2 RIGHT ANGLES . 19 PROPOSITION X. ...
... straight lines shall be in one and the same straight line . B Let BC , BD drawn from B one extremity of AB make the ... draw a 2-2 RIGHT ANGLES . 19 PROPOSITION X. ...
Page 20
Francis Cuthbertson. PROPOSITION XI . It is always possible to draw a perpendicular to a given straight line of an unlimited length from a given point without it . C Let A be any point without the straight ... straight line can be drawn 1 to ...
Francis Cuthbertson. PROPOSITION XI . It is always possible to draw a perpendicular to a given straight line of an unlimited length from a given point without it . C Let A be any point without the straight ... straight line can be drawn 1 to ...
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Common terms and phrases
Algebra base Cambridge centre chord circumference cloth Conic Sections Crown 8vo Describe a circle diagonals diameter divided draw a straight ELEMENTARY TREATISE English equiangular equilateral Euclid Examples Extra fcap fcap GEOMETRY given angle given circle given point given straight line Grammar greater H Let Hence inscribed intersecting isosceles triangle Latin Let ABC line bisecting locus Mathematical meet opposite angles Owens College parallel parallelogram perimeter perpendicular plane polygon PROBLEM produced Professor proportional PROPOSITION ratio rect rectangle rectangle contained rectilineal figure regular polygon respectively revised rhombus right angles Schools Second Edition segment similar Similarly squares on AC straight line drawn straight line joining tangent THEOREM TRIGONOMETRY twice rectangle twice the squares vertex