## The Encyclopedia of Architecture, Historical, Theoretical, and Practical |

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Page 264

be the given line upon which it is required to describe a triangle whose three

sides shall be

circumference BCD , and from the point B , with the radius BA , describe the

circumference ...

be the given line upon which it is required to describe a triangle whose three

sides shall be

**equal**. From the point A , with the radius AB , describe thecircumference BCD , and from the point B , with the radius BA , describe the

circumference ...

Page 268

FLE But the angle x is

alternate angle C . Therefore , substituting B for x , and C for y , the three angles B

, A , C are together

angles ...

FLE But the angle x is

**equal**to the alternate angle B , and the angle y to thealternate angle C . Therefore , substituting B for x , and C for y , the three angles B

, A , C are together

**equal**to two right angles . COROLLARY . Hence , if twoangles ...

Page 269

Hence , the diagonal bisects the parallelogram ; for the triangles BAD , BCD ,

having the three sides

which are between the same parallels , and have the sine base , are

the ...

Hence , the diagonal bisects the parallelogram ; for the triangles BAD , BCD ,

having the three sides

**equal**, are identical . 903 . Prop . XXVIII . Parallelogramswhich are between the same parallels , and have the sine base , are

**equal**. Letthe ...

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### Contents

HISTORY OF ARCHITECTURE | 1 |

PAGE PAGE | 11 |

Areades above Arcades 854 Sect 14 Circular Windows 951 | 13 |

Copyright | |

64 other sections not shown

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### Common terms and phrases

angle appears arch architect architecture base beam becomes bricks building built called cast cathedral centre century church circle colour columns common considered construction contained course covered curve depth describe diameter direction divided draw edifices effect employed equal erected examples experiments extremely face feet force four front give given greater ground half height horizontal houses inches iron Italy joints length less lime material means mouldings nearly necessary observed obtained original ornaments parallel period perpendicular piece placed plane portion practice produced Prop proportion quarries radius remains respect Roman roof says side similar solid square stone strength style supposed surface temple thickness timber tower triangle upper vault vertical walls whereof whole wood