## A Key to the Exercises and Examples Contained in a Text-book of Euclid's Elements |

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Page 7

L CBQ . Hence the sum or diff . of _ $ PQO , RQO = the sum or diff . of * AB , CBQ ; .. – PQR - ABC .

L CBQ . Hence the sum or diff . of _ $ PQO , RQO = the sum or diff . of * AB , CBQ ; .. – PQR - ABC .

**Similarly**for the other angles . Page 57 . 1. Page 9

L's .

L's .

**Similarly**the corollary may be proved for a fig . of any number of sides . 4. The n angles + 4 rt . 8 = 2n rt . Page 13

AD is at rt . _ $ to FC . ( iv ) Since _ $ FBA , DBC are rt . 28 , 1. LFBD is supp . of LABC ( 1. 15 , Cor . 1 ] .

AD is at rt . _ $ to FC . ( iv ) Since _ $ FBA , DBC are rt . 28 , 1. LFBD is supp . of LABC ( 1. 15 , Cor . 1 ] .

**Similarly**L KCE is suppt . of L ACB . Page 14

**Similarly**BY = cz . 4. Let BD be the diagonal of sq . ABCD . Then DB = sum of sqq . on DC , BC = twice the sq . on DC . 5 . Page 15

**Similarly**A KDC is isosceles . 11. Here the greatest angle is a right angle ( 1. 32 ] . Hence the required result follows by Ex . 4 , on p . 59 . II .### What people are saying - Write a review

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A Key to the Exercises and Examples Contained in a Text-Book of Euclid's ... H S 1848-1934 Hall No preview available - 2018 |

A Key to the Exercises and Examples Contained in a Text-Book of Euclid's ... H. S. Hall No preview available - 2017 |

### Common terms and phrases

ABCD angles Assistant base bisector bisects BOOK Cambridge centre chord circle College common constant containing describe diam diameter distance double draw drawn Edited ELEMENTARY ENGLISH equal EXAMPLES Exercises external Fcap Fellow figure fixed four given given st greater GREEK half Hence HISTORY identically equal Illustrated inscribed intersect Introduction JOHN Join LATIN Let ABC locus Master Mathematics meet middle point Notes parl parm passes perp plane preparation Press produced Prof Professor proved radius ratio rect respectively revised School segment shewn sides similar Similarly solutions Take tangent touch Translated triangle twice University vols

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