Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious Notes and IllustrationsA. Constable & Company, 1817 - 432 Seiten |
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Seite 8
... isosceles triangle is that which has two of its sides equal . ' 16. An equilateral triangle is that which has all its sides equal . 17. A triangle whose sides are une- qual , is named scalene . It will be shown ( I. 9. cor . ) that every ...
... isosceles triangle is that which has two of its sides equal . ' 16. An equilateral triangle is that which has all its sides equal . 17. A triangle whose sides are une- qual , is named scalene . It will be shown ( I. 9. cor . ) that every ...
Seite 20
... triangle are equal . The angles BAC and BCA at the base of the isosceles triangle ABC are equal . For draw ( I. 5 ... equilateral triangle is also equiangular . PROP . XI . THEOR . If two angles of a triangle be equal , the sides ...
... triangle are equal . The angles BAC and BCA at the base of the isosceles triangle ABC are equal . For draw ( I. 5 ... equilateral triangle is also equiangular . PROP . XI . THEOR . If two angles of a triangle be equal , the sides ...
Seite 21
... triangle is also equilateral . Schol . By the application of this proposition , the dis- tance of an object inaccessible from one side may in some cases be measured . PROP . XII . THEOR . In any triangle , that angle is the greater ...
... triangle is also equilateral . Schol . By the application of this proposition , the dis- tance of an object inaccessible from one side may in some cases be measured . PROP . XII . THEOR . In any triangle , that angle is the greater ...
Seite 36
... triangle is equal to both its opposite interior angles , and all the interior angles of a triangle are together ... equilateral triangle is two - third parts of a right angle . Cor . 2. Hence if a triangle have its exterior angle , and ...
... triangle is equal to both its opposite interior angles , and all the interior angles of a triangle are together ... equilateral triangle is two - third parts of a right angle . Cor . 2. Hence if a triangle have its exterior angle , and ...
Seite 102
... equilateral , when their sides , in the same order , are respectively equal : They are equiangular , if an equality obtains between their corresponding angles . 6. Polygons are said to be ... isosceles triangle , 102 ELEMENTS OF GEOMETRY .
... equilateral , when their sides , in the same order , are respectively equal : They are equiangular , if an equality obtains between their corresponding angles . 6. Polygons are said to be ... isosceles triangle , 102 ELEMENTS OF GEOMETRY .
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Elements of Geometry, and Plane Trigonometry: With an Appendix, and Very ... University Professor Emeritus John Leslie, Sir Keine Leseprobe verfügbar - 2016 |
Häufige Begriffe und Wortgruppen
ABCD adjacent angle altitude angle ABC angle ADB angle BAC base AC bisect centre chord circle circumference consequently construction contained angle cosine decagon denote describe diameter difference distance diverging lines divided draw equal to BC equilateral triangle equivalent to twice evidently exterior angle given greater half Hence hypotenuse inscribed isosceles triangle join let fall likewise measure parallel perpendicular point G polygon PROB PROP Proposition quadrilateral figure quantities radius ratio rectangle rectangle contained rectilineal figure rhomboid right angles right-angled triangle Scholium segments semicircle semiperimeter sequently side AC sinB sine square of AB square of AC straight line tangent THEOR tion triangle ABC twice the rectangle twice the square vertex vertical angle whence Wherefore