The Elements of EuclidJohnson and Warner, 1811 - 518 sider |
Inni boken
Resultat 1-5 av 100
Side 10
... angles is called a right angle : and the straight line which stands on the other is called a perpendicular to it . XI . An obtuse angle is that which is greater than a right angle . XII . An acute angle is that which is less than a ...
... angles is called a right angle : and the straight line which stands on the other is called a perpendicular to it . XI . An obtuse angle is that which is greater than a right angle . XII . An acute angle is that which is less than a ...
Side 12
... right angle . XXVIII . An obtuse - angled triangle , is that which has an obtuse angle . XXIX . An acute - angled triangle , is that which has three acute angles ... angles right angles . XXXI . An oblong , is that which has all its angles ...
... right angle . XXVIII . An obtuse - angled triangle , is that which has an obtuse angle . XXIX . An acute - angled triangle , is that which has three acute angles ... angles right angles . XXXI . An oblong , is that which has all its angles ...
Side 14
... right angles are equal to one another . XII . " If a straight line meet two straight lines , so as to make the " two interior angles on the same side of it taken together less " than two right angles , these straight lines being ...
... right angles are equal to one another . XII . " If a straight line meet two straight lines , so as to make the " two interior angles on the same side of it taken together less " than two right angles , these straight lines being ...
Side 22
... right angles to a given straight line , from a given point in the same . Let AB be , a given straight line , and C a point given in it : See Note . it is required to draw a straight line from the point C at right angles to AB . 23. 1 ...
... right angles to a given straight line , from a given point in the same . Let AB be , a given straight line , and C a point given in it : See Note . it is required to draw a straight line from the point C at right angles to AB . 23. 1 ...
Side 23
... angles equal to one another , each of them is a right angle , and the straight line which stands upon the other is called a perpendicular to it ; therefore from the given point C a perpendicular CH has been drawn to the given straight ...
... angles equal to one another , each of them is a right angle , and the straight line which stands upon the other is called a perpendicular to it ; therefore from the given point C a perpendicular CH has been drawn to the given straight ...
Andre utgaver - Vis alle
The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ... Robert Simson Uten tilgangsbegrensning - 1806 |
Vanlige uttrykk og setninger
altitude angle ABC angle BAC base BC BC is equal BC is given bisected Book XI centre circle ABCD circumference cone cylinder demonstrated described diameter draw drawn equal angles equiangular equimultiples Euclid excess fore given angle given in magnitude given in position given in species given magnitude given ratio given straight line gnomon greater join less Let ABC meet multiple parallel parallelogram parallelogram AC perpendicular point F polygon prism proportionals proposition pyramid Q. E. D. PROP radius ratio of AE rectangle CB rectangle contained rectilineal figure remaining angle right angles segment sides BA similar solid angle solid parallelopiped square of AC straight line AB straight line BC tangent THEOR third triangle ABC triplicate ratio vertex wherefore