The Elements of Geometry: Or, The First Six Books, with the Eleventh and Twelfth of EuclidCassell, Petter, and Galpin, 1859 - 212 Seiten |
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Ergebnisse 1-3 von 90
Seite 14
... drawn from the defective defini- tion of a straight line , which he has substituted for Enelid's . Exercises . - 1 . From the extremity of a given straight line , to draw a straight line which shall make a right angle with it . 2. In a ...
... drawn from the defective defini- tion of a straight line , which he has substituted for Enelid's . Exercises . - 1 . From the extremity of a given straight line , to draw a straight line which shall make a right angle with it . 2. In a ...
Seite 162
... draw from the point A a straight line perpendicular to the plane B H. In the plane B H draw any straight line B C , and in the plane passing through BC and A , from the point A draw ( I. 12 ) AD perpendicular to BC . If AD be also ...
... draw from the point A a straight line perpendicular to the plane B H. In the plane B H draw any straight line B C , and in the plane passing through BC and A , from the point A draw ( I. 12 ) AD perpendicular to BC . If AD be also ...
Seite 163
... drawn perpendicular to it . Q. E. F. PROP . XII . PROBLEM . To draw a straight line at right angles to a given plane , from a point given in the plane . Let A be the given point in the plane . It is required to draw a straight line from ...
... drawn perpendicular to it . Q. E. F. PROP . XII . PROBLEM . To draw a straight line at right angles to a given plane , from a point given in the plane . Let A be the given point in the plane . It is required to draw a straight line from ...
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Häufige Begriffe und Wortgruppen
A B and CD A B C D A B is equal adjacent angles altitude angle ABC base B C bisected Cassell's centre circle A B C circle ABCD circumference cone cylinder D E F described diagonal diameter draw equal angles equal Ax equal Const equiangular equimultiples Euclid exterior angle given rectilineal given straight line gnomon greater homologous Illustrated inscribed join less Let A B C multiple opposite angles parallelopiped pentagon perpendicular polygon prism proposition pyramid Q. E. D. PROP rectangle contained rectilineal figure remaining angle right angles segment solid A B solid angle sphere squares of AC straight line drawn straight lines A B THEOREM three plane angles touches the circle triangle A B C triplicate ratio twice the rectangle vertex Wherefore