## Euclidian Geometry |

### From inside the book

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Page xv

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**triangle**. parallelogram . O circle . Oce circumference . △ perpendicular ( to ) . Il parallel . = equal to . > greater than . < less than . ... because . ... therefore . : is to . The object aimed at is merely to place before the ... Page 4

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**triangle**is a plane figure contained by three straight lines . PROPOSITION I. If two sides and the included angle of one**triangle**be respectively equal to two sides and the included angle of another**triangle**, the**triangles**shall be ... Page 5

Francis Cuthbertson (M.A.). DEFINITION . An isosceles

Francis Cuthbertson (M.A.). DEFINITION . An isosceles

**triangle**is one which has two of its sides equal . PROPOSITION ...**TRIANGLES**. 5. Page 6

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**triangle**are respectively equal to two angles and the adjacent side of another**triangle**, then shall the**triangles**be equal in all respects . B E In the As ABC , DEF , let the s ABC , ACB and the adjacent side BC be respectively equal ... Page 7

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**triangle**, having the ABC- the then shall the side AC be = ACB , the side AB . For if the ABC be taken up , reversed , and applied to the former position of BC and on the same ...**triangle**are STRAIGHT LINES , ANGLES AND**TRIANGLES**. 7 B ...### 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