## Euclidian Geometry |

### From inside the book

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Page 16

Francis Cuthbertson (M.A.). PROPOSITION VII . It is always possible to

Francis Cuthbertson (M.A.). PROPOSITION VII . It is always possible to

**draw**a straight line perpendicular to a given ...**drawn**1 BC . From AB , AC cut off equal parts AD , AE . With D and E as centres , describe equal Os intersect- ing in ... Page 17

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**drawn**more than one straight line perpendicular to it . BIG- For if possible B let AF and AG be each of them 1 to BC . ..LS FAB , FAC are equal to one another , and also △ s GAB , GAC are equal to one another , which is impossible ... Page 18

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**draw**BE1to CD ; = then the ABC is the 4 s CBE and EBA together ; .. the LS ABC and ABD are together the 4s CBE , EBA ...**drawn**from one 18 RIGHT ANGLES . Page 19

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**drawn**from B one extremity of AB make the adjacent s ABC , ABD together = two right angles . Then shall BD be in the same straight line with BC . For if not , if possible , let BE be in the ...**draw**a 2-2 RIGHT ANGLES . 19 PROPOSITION X. ... Page 20

Francis Cuthbertson (M.A.). PROPOSITION XI . It is always possible to

Francis Cuthbertson (M.A.). PROPOSITION XI . It is always possible to

**draw**a perpendicular to a given straight line ...**drawn**to BC . With centre A describe a ✪ cutting BC in D and E. With centres D and E describe equal os intersecting ...### 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