Elementary Mathematics: Embracing Arithmetic Geometry, and Algebra1873 |
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Αποτελέσματα 1 - 5 από τα 30.
Σελίδα 67
... joining them lies wholly in the surface . 18. A rectilinear triangle is a plane figure limited by three straight lines . ‡ 19. An equilateral triangle is limited by three equal straight lines . 20. An isosceles triangle has two sides ...
... joining them lies wholly in the surface . 18. A rectilinear triangle is a plane figure limited by three straight lines . ‡ 19. An equilateral triangle is limited by three equal straight lines . 20. An isosceles triangle has two sides ...
Σελίδα 68
... joining two opposite angles of a quadrilateral is called a diagonal . 33. Polygons , or multilateral figures , are limited by more than four straight lines . 34. A circle is a figure contained by one line , called the circumference ...
... joining two opposite angles of a quadrilateral is called a diagonal . 33. Polygons , or multilateral figures , are limited by more than four straight lines . 34. A circle is a figure contained by one line , called the circumference ...
Σελίδα 71
... Join AB . With centres A and B , with any T equal radiuses AD , BD , draw circles meeting in D. With cen- tre B and radius BC , draw a circle CE . Join DB , and pro- duce it to cut CE in F. With centre D and radius DF , draw a circle FG .
... Join AB . With centres A and B , with any T equal radiuses AD , BD , draw circles meeting in D. With cen- tre B and radius BC , draw a circle CE . Join DB , and pro- duce it to cut CE in F. With centre D and radius DF , draw a circle FG .
Σελίδα 72
... are equal when AB = DE , BC EF , CA - FD . = PROOF . - Apply BE ) DE to AB , and let the point F fall on the side of AB remote from C. Join CF. Then since BC = BF , the angle BCFBFC - ( Prop . 3 ) . Similarly ACF = 72 GEOMETRY .
... are equal when AB = DE , BC EF , CA - FD . = PROOF . - Apply BE ) DE to AB , and let the point F fall on the side of AB remote from C. Join CF. Then since BC = BF , the angle BCFBFC - ( Prop . 3 ) . Similarly ACF = 72 GEOMETRY .
Σελίδα 73
... Join BF , DE , in- tersecting in G. Then BG bisects the angle ABC . PROOF . - DB , BF , FD = EB , BF , A FE respectively ; therefore the angle DBF the angle EBF ( Prop . 4 ) . = Proposition 6. - Problem . To bisect a straight line ( AB ) ...
... Join BF , DE , in- tersecting in G. Then BG bisects the angle ABC . PROOF . - DB , BF , FD = EB , BF , A FE respectively ; therefore the angle DBF the angle EBF ( Prop . 4 ) . = Proposition 6. - Problem . To bisect a straight line ( AB ) ...
Άλλες εκδόσεις - Προβολή όλων
Elementary Mathematics, Embracing Arithmetic, Geometry and Algebra Lewis Sergeant Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Elementary Mathematics, Embracing Arithmetic, Geometry and Algebra Lewis Sergeant Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
Elementary Mathematics, Embracing Arithmetic, Geometry and Algebra Lewis Sergeant Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
16 Maps a²b ab² ABCD ACD is greater Algebra angle ACB angle equal Arith arithmetical ATLAS base bisect called cent centimes cloth lettered co-efficient concrete quantities decimal fraction denominator digits divide dividend divisor draw a circle equal and parallel equations example expression exterior angle fore four right angles Geometry given straight line gram greater than AC Hence inches inner angles isosceles least common multiple measure metres metrical system mixed number Multiply opposite parallel straight lines parallel to BD parallelogram parallels are equal produced Proposition quotient radius ratio rectilinear recurring decimal remainder result right angles right angles Prop square subtract triangle ABC triangles are equal unit vulgar fraction whole number
Δημοφιλή αποσπάσματα
Σελίδα 85 - If a side of any triangle be produced, the exterior angle is equal to the, two interior and opposite angles ; and the three interior angles of every triangle are equal to two right angles.
Σελίδα 110 - If two triangles have two sides of the one equal to two sides of the other...
Σελίδα 105 - If one side of a triangle be produced, the exterior angle is greater than either of the interior, and opposite angles.
Σελίδα 83 - If a straight line fall on two parallel straight lines, it makes the alternate angles equal to one another, and the exterior angle equal to the interior and opposite angle on the same side; and also the two interior angles on the same side together equal to two right angles.