First lessons in Plane Geometry. Together with an application of them to the solution of problems, etcCarter and Hendee, 1830 - 12 σελίδες |
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Σελίδα 7
... parallelogram is a quadrilateral whose opposite sides are parallel . A rectangle or oblong is a right angular parallelogram . A square is a rectangle whose sides are all equal GEOMETRY . 7.
... parallelogram is a quadrilateral whose opposite sides are parallel . A rectangle or oblong is a right angular parallelogram . A square is a rectangle whose sides are all equal GEOMETRY . 7.
Σελίδα 8
... parallelogram whose sides are all equal . A trapezoid is a quadrilateral in which two sides only are parallel . A straight line joining two verteces , which are not on the same side of a geo- metrical figure , is called a diagonal . The ...
... parallelogram whose sides are all equal . A trapezoid is a quadrilateral in which two sides only are parallel . A straight line joining two verteces , which are not on the same side of a geo- metrical figure , is called a diagonal . The ...
Σελίδα 12
... ? What is a triangle called , when it con- tains a right angle ? What , if it does not contain one ? What is a quadrilateral , whose opposite sides are equal , called ? What is a right - angular parallelogram called ? What 12 GEOMETRY .
... ? What is a triangle called , when it con- tains a right angle ? What , if it does not contain one ? What is a quadrilateral , whose opposite sides are equal , called ? What is a right - angular parallelogram called ? What 12 GEOMETRY .
Σελίδα 13
Francis Joseph Grund. What is a right - angular parallelogram called ? What is an equilateral rectangle called ? What , an equilateral parallelogram ? What , an equilateral in which two sides only are parallel ? What is the simplest of ...
Francis Joseph Grund. What is a right - angular parallelogram called ? What is an equilateral rectangle called ? What , an equilateral parallelogram ? What , an equilateral in which two sides only are parallel ? What is the simplest of ...
Σελίδα 58
... parallelogram ACDB , you draw a diag- onal CB , what relation Α D W B will the two triangles , ABC , CDB , bear to each other ? A. They will be equal to one another , and the parallelogram will be divided into two equal parts . Q. How ...
... parallelogram ACDB , you draw a diag- onal CB , what relation Α D W B will the two triangles , ABC , CDB , bear to each other ? A. They will be equal to one another , and the parallelogram will be divided into two equal parts . Q. How ...
Άλλες εκδόσεις - Προβολή όλων
First Lessons in Plane Geometry: Together with an Application of Them to the ... Francis Joseph Grund Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2009 |
First Lessons in Plane Geometry: Together with an Application of Them to the ... Francis Joseph Grund Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2009 |
Συχνά εμφανιζόμενοι όροι και φράσεις
adjacent angles angle ABC angle ACB angle opposite angle x basis and height bisected called centre chord circum circumference circumscribed circle consequently construct the triangle DEMON diagonal diameter draw the lines equal angles exterior angle figure ABCDEF found by multiplying fourth term geometrical figures geometrical proportion given angle given circle given straight line given triangle hypothenuse isosceles triangle line AB line AC line CD line MN LUDOLPH VAN CEULEN mean proportional number of sides parallel lines parallelogram perpendicular points of division PROBLEM prove quadrilateral Query 11 radii radius ratio rectilinear figure regular polygon ABCDEF remaining sides Remark right angles right-angular triangle Sect semicircle side AB side AC similar triangles smaller SOLUTION square feet square inches square seconds tangent third line three angles three sides trapezoid trian triangle ABC triangle are equal vertex zoid
Δημοφιλή αποσπάσματα
Σελίδα 195 - Upon a given straight line to describe a segment of a circle, which shall contain an angle equal to a given rectilineal angle.
Σελίδα 94 - If two triangles have two sides of the one equal to two sides of the other, each to each, but the...
Σελίδα 211 - HDG, the corresponding sides are proportional (page 70, 4thly) ; therefore we have the proportion ED : DG =AD : HD (II.) This last proportion has the first ratio common with the first proportion ; consequently the two remaining ratios are in a geometrical proportion (Theory of Prop., Prin. 3d) ; that is, we have AD : HD = DG: BD; and as, in...
Σελίδα 173 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα 176 - The perimeters of two regular polygons of the same number of sides, are to each other as their homologous sides, and their areas are to each other as the squares of those sides (Prop.
Σελίδα 175 - The side of a regular hexagon inscribed in a circle is equal to the radius of the circle.
Σελίδα 129 - Now, since the areas of similar polygons are to each other as the squares of their homologous sides...