## Euclidian Geometry |

### From inside the book

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**four**angles A , B , H , K. Then shall the opposite angles A , B be one another . = For if the figure were taken up , reversed , and placed so that each of the arms of H might fall along the former position of the other arm ; then each ... Page 18

... produce CB to X. Then all the 4S ABC , CBF , FBG , GBA are equal to thes on one side of CBX together with the s on the other side of CBX , and are ..

... produce CB to X. Then all the 4S ABC , CBF , FBG , GBA are equal to thes on one side of CBX together with the s on the other side of CBX , and are ..

**four**rights . PROPOSITION X. If two straight lines , drawn from one 18 RIGHT ANGLES . Page 44

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**four**straight lines . Multilateral figures , or polygons , by more than**four**straight lines . A parallelogram is a**four**- sided figure , of which the opposite sides are parallel . The straight line joining the opposite angles of a quad ... Page 45

... , SPQ opposite to these are right 4 s . ( 1.26 ) DEFINITION . A rectangle is a right - angled parallelogram , and is said to be contained by any two of its adjacent sides . DEFINITION . A square is a

... , SPQ opposite to these are right 4 s . ( 1.26 ) DEFINITION . A rectangle is a right - angled parallelogram , and is said to be contained by any two of its adjacent sides . DEFINITION . A square is a

**four**- sided figure QUADRILATERALS . 45. Page 46

Francis Cuthbertson (M.A.). DEFINITION . A square is a

Francis Cuthbertson (M.A.). DEFINITION . A square is a

**four**- sided figure , having all its sides equal to one another , and all its angles right angles . PROPOSITION XXVIII . If two adjacent sides of a rectangle are equal , the figure ...### Other editions - View all

### 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 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 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