The Ontario High School Geometry: TheoreticalCopp, Clark Company, 1910 - 302 σελίδες |
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Αποτελέσματα 6 - 10 από τα 100.
Σελίδα 22
... Join AD ' . ( I — 3 , p . 20. ) Similarly .. 4 BAD ' + i.e. , BA = BD ' , L BAD ' / BD'A . < CAD ' CD'A . CAD ' = < BD'A + < CD'A , < BAC Then in As BAC , BD'C .. < BD'C . BA = BD ' , CA = CD ' , < BAC = < BD'C , △ ABC ABD'C ; i.e. , AABCE ...
... Join AD ' . ( I — 3 , p . 20. ) Similarly .. 4 BAD ' + i.e. , BA = BD ' , L BAD ' / BD'A . < CAD ' CD'A . CAD ' = < BD'A + < CD'A , < BAC Then in As BAC , BD'C .. < BD'C . BA = BD ' , CA = CD ' , < BAC = < BD'C , △ ABC ABD'C ; i.e. , AABCE ...
Σελίδα 24
... joining their vertices is an axis of symmetry of the figure ; and the ends of the base are corresponding points . 44 B E B Hypothesis . - ABC , DBC are two isosceles As on the same base BC . To prove that AD is an axis of symmetry of ...
... joining their vertices is an axis of symmetry of the figure ; and the ends of the base are corresponding points . 44 B E B Hypothesis . - ABC , DBC are two isosceles As on the same base BC . To prove that AD is an axis of symmetry of ...
Σελίδα 25
... joins their centres bisects at rt . s the st . line joining the points of section . 2. A , B , C are three points each of which is equidistant from two fixed points P , Q. Show that A , B , C are in a st . line which bisects the st ...
... joins their centres bisects at rt . s the st . line joining the points of section . 2. A , B , C are three points each of which is equidistant from two fixed points P , Q. Show that A , B , C are in a st . line which bisects the st ...
Σελίδα 26
... Join AF . Then AF is the bisector of △ BAC . Proof . Join DF , EF , DE . ADE , FDE are isosceles As on the same base DE , .. AF is an axis of symmetry of the figure , ( I — 5 , p . 24. ) .. AF bisects / BAC . NOTE . The equal radii for ...
... Join AF . Then AF is the bisector of △ BAC . Proof . Join DF , EF , DE . ADE , FDE are isosceles As on the same base DE , .. AF is an axis of symmetry of the figure , ( I — 5 , p . 24. ) .. AF bisects / BAC . NOTE . The equal radii for ...
Σελίδα 29
... Join CD , cutting AB at E. E is the middle point of AB . Proof . Join CA , AD , DB , BC . • CAB , DAB are isosceles As on the same base AB , .. CD is an axis of symmetry of the figure ; and A , B are corresponding points . ( I - 5 , p ...
... Join CD , cutting AB at E. E is the middle point of AB . Proof . Join CA , AD , DB , BC . • CAB , DAB are isosceles As on the same base AB , .. CD is an axis of symmetry of the figure ; and A , B are corresponding points . ( I - 5 , p ...
Άλλες εκδόσεις - Προβολή όλων
The Ontario High School Geometry [microform]: Theoretical A H (Alexander Hiram) 1 McDougall Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2021 |
The Ontario High School Geometry: Theoretical A. H. McDougall Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
The Ontario High School Geometry; Theoretical A. H. McDougall Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
AB² altitude base bisects centre chord circles touch circumference circumscribed common tangent concyclic Construct corresponding sides cyclic quadrilateral Describe a circle diagonals diagram diameter divided draw a st EFGH equal in area equiangular polygon equidistant equilateral exterior figure Find a point Find the locus fixed points given circle given point given st given straight line gm ABCD hypotenuse Hypothesis Hypothesis.-ABC inches inscribed circle isosceles KLMN length line drawn line joining mean proportional median drawn middle point opposite sides parallelogram perpendicular point of contact point of intersection polygon produced Proof Prove radius rect rectangle contained respectively equal rhombus right bisector secant segment Show sides equal similar square subtend tangent THEOREM triangle vertex vertices
Δημοφιλή αποσπάσματα
Σελίδα 130 - In every triangle, the square on the side subtending either of the acute angles, is less than the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the...
Σελίδα 242 - If two triangles have two sides of one proportional to two sides of the other, and the angles opposite one pair of corresponding sides...
Σελίδα 241 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Σελίδα 17 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another.
Σελίδα 254 - If from a point without a circle a secant and a tangent are drawn, the tangent is the mean proportional between the whole secant and its external segment.
Σελίδα 253 - When it is affirmed (for instance) that " if two straight lines in a circle intersect each other, the rectangle contained by the segments of the one is equal to the rectangle contained by the segments of the other...
Σελίδα 235 - Plot the locus of a point which moves so that the ratio of its distances from two fixed points remains constant.
Σελίδα 122 - Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides.
Σελίδα 66 - THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel.
Σελίδα 113 - TO describe a parallelogram equal to a given rectilineal figure, and having an angle equal to a given rectilineal angle.