Geometry for schools, comprising books i. and ii. of Euclid, with some additions and numerous exercises, by A.J.G. BarclayOliver & Boyd, 1883 - 96 σελίδες |
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Σελίδα 8
... adjacent angles . The name is most commonly used for those angles which have the other arms in the same straight line . ABC and ABD are adjacent angles . C Vertically opposite angles are formed by two lines intersecting ; 8 GEOMETRY .
... adjacent angles . The name is most commonly used for those angles which have the other arms in the same straight line . ABC and ABD are adjacent angles . C Vertically opposite angles are formed by two lines intersecting ; 8 GEOMETRY .
Σελίδα 9
Euclides Andrew J. G. BARCLAY. Vertically opposite angles are formed by two lines intersecting ; 41 and 43 , 42 and 4 are pairs of vertically opposite angles . EXERCISE . - In this figure name ABC , A , etc. , by the numbers ; name 5 , 6 ...
Euclides Andrew J. G. BARCLAY. Vertically opposite angles are formed by two lines intersecting ; 41 and 43 , 42 and 4 are pairs of vertically opposite angles . EXERCISE . - In this figure name ABC , A , etc. , by the numbers ; name 5 , 6 ...
Σελίδα 13
... intersecting straight lines cannot be both parallel to the same straight line ( called Playfair's Axiom ) . This form of the axiom is one that can be more readily accepted as an axiom than Euclid's , which is , " If a straight line meet ...
... intersecting straight lines cannot be both parallel to the same straight line ( called Playfair's Axiom ) . This form of the axiom is one that can be more readily accepted as an axiom than Euclid's , which is , " If a straight line meet ...
Σελίδα 14
... intersect , draw the st . lines CA , CB ( Post . 1 ) . Then will ABC be an equil . A. A is centre of DCB , .. AC = AB ( Def . 11 ) ; and B is centre of O ACE , .. BC = AB . Now : AC , BC , each = AB , and things which are equal to the ...
... intersect , draw the st . lines CA , CB ( Post . 1 ) . Then will ABC be an equil . A. A is centre of DCB , .. AC = AB ( Def . 11 ) ; and B is centre of O ACE , .. BC = AB . Now : AC , BC , each = AB , and things which are equal to the ...
Σελίδα 22
... intersect , the four angles at the point of intersection are together equal to four right angles . 28. If any number of lines meet at a point , the angles made by these lines taken consecutively , amount to four right angles . PROP . 14 ...
... intersect , the four angles at the point of intersection are together equal to four right angles . 28. If any number of lines meet at a point , the angles made by these lines taken consecutively , amount to four right angles . PROP . 14 ...
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Geometry For Schools, Comprising Books I. And Ii. Of Euclid, With Some ... Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
Geometry For Schools, Comprising Books I. And Ii. Of Euclid, With Some ... Euclides Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
Συχνά εμφανιζόμενοι όροι και φράσεις
AC² angle contained angles equal angular points Atlas base BC BC² bisect Boyd's School Carefully Revised centre Coloured Maps cons construct a triangle diagonals Dr Douglas's Dr Reid's Edinburgh Academy Euclid Exercises exterior angle figure has sides find a point four right angles full-coloured Maps George Watson's College given line given point given straight line given triangle hypotenuse interior isosceles triangle late Head Master Lawson's LL.D middle points Modern Geography Oliver and Boyd's opposite angles opposite sides Outline of Sacred parallelogram perpendicular Physical Geography point in CD polygon produced PROP proposition prove quadrilateral Questions for Examination rect rectangle contained reflex angle regular polygon Reid's Elements rhombus right-angled triangle Rudiments of Modern Sacred Geography showing Recent sides equal square St Mark's College Text-Book THEOR trapezium triangles ABC vertex WILLIAM LAWSON
Δημοφιλή αποσπάσματα
Σελίδα 15 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 73 - Household Economy. A MANUAL intended for Female Training Colleges, and the Senior Class of Girls' Schools. By MARGARET MARIA GORDON (Miss Brewster), Author of " Work, or Plenty to do and how to do it,
Σελίδα 84 - M'DowALL. 2s. Lectiones Selectae : or, Select Latin Lessons in Morality, History, and Biography : for the use of Beginners. With a Vocabulary explaining every Word in the Text. By C. MELVILLE, late of the Grammar School, Kirkcaldy. Is. 6d. Macgowan's Lessons in Latin Reading. In Two PARTS. Part I., Improved by H.
Σελίδα 12 - Notions 1. Things which are equal to the same thing are also equal to one another. 2. If equals be added to equals, the wholes are equal. 3. If equals be subtracted from equals, the remainders are equal. 4. Things which coincide with one another are equal to one another.
Σελίδα 75 - Watts' Catechism of Scripture History, and of the Condition of the Jews from the Close of the Old Testament to the Time of Christ. With INTRODUCTION by WK TWEEDIE, DD 2s.
Σελίδα 81 - Critical Remarks, in which the various Methods of Pronouncing employed by different Authors are investigated and compared with each other.
Σελίδα 13 - If a straight line meets two straight lines, so as to " make the two interior angles on the same side of it taken " together less than two right angles...
Σελίδα 73 - A DICTIONARY of the ENGLISH LANGUAGE, CONTAINING THE PRONUNCIATION, ETYMOLOGY, AND EXPLANATION OF ALL WORDS AUTHORIZED BY EMINENT WRITERS ; To which are added, a Vocabulary of the Roots of English Words, and an Accented Lat of Greek, Latin, and Scripture Proper Names.
Σελίδα 46 - THE angles at the base of an isosceles triangle are equal to one another : and, if the equal sides be produced, the angles upon the other side of the base shall be equal.
Σελίδα 74 - A carefully compiled history for the use of schools. The writer has consulted the more recent authorities: his opinions are liberal, and on the whole just and impartial : the succession of events is developed with clearness, and with more of that picturesque effect which so delights the young than is common in historical abstracts.