Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious Notes and IllustrationsA. Constable & Company, 1817 - 432 Seiten |
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Ergebnisse 1-5 von 86
Seite 9
... rectangle , ( 5 ) has a right angle , and its opposite sides equal : 28. A square ( 6 ) has a right angle , and all its sides equal . 29. A quadrilateral figure , of which the opposite sides are parallel , is called a parallelogram . 30 ...
... rectangle , ( 5 ) has a right angle , and its opposite sides equal : 28. A square ( 6 ) has a right angle , and all its sides equal . 29. A quadrilateral figure , of which the opposite sides are parallel , is called a parallelogram . 30 ...
Seite 33
... rectangle are all of them right angles ; for the opposite sides being equal , are parallel ; and if the angle at A be right , the other in- terior one at B is also a right angle ( I. 22. ) , and conse- quently the angles at C and D ...
... rectangle are all of them right angles ; for the opposite sides being equal , are parallel ; and if the angle at A be right , the other in- terior one at B is also a right angle ( I. 22. ) , and conse- quently the angles at C and D ...
Seite 43
... of rhomboids about the diagonal of a rhomboid , are the spaces required to complete the rhomboid ; and the defect of each rhomboid from the whole figure , is termed a gnomon . 5. A rhomboid or rectangle is said to be contained ELEMENTS ...
... of rhomboids about the diagonal of a rhomboid , are the spaces required to complete the rhomboid ; and the defect of each rhomboid from the whole figure , is termed a gnomon . 5. A rhomboid or rectangle is said to be contained ELEMENTS ...
Seite 44
... rectangle is said to be contained by any two adjacent sidés . A rhomboid is often indicated merely by the two letters pla- ced at opposite corners . PROP . I. THEOR . Triangles which have the same altitude , and stand on the same base ...
... rectangle is said to be contained by any two adjacent sidés . A rhomboid is often indicated merely by the two letters pla- ced at opposite corners . PROP . I. THEOR . Triangles which have the same altitude , and stand on the same base ...
Seite 48
... rectangle contained under its base and its altitude - from which property is derived the mensuration of any rectili- neal figure . PROP . VI . PROB . To construct a rhomboid equivalent to a given rectilineal figure , and having its ...
... rectangle contained under its base and its altitude - from which property is derived the mensuration of any rectili- neal figure . PROP . VI . PROB . To construct a rhomboid equivalent to a given rectilineal figure , and having its ...
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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