The first three books of Euclid's Elements of geometry, with theorems and problems, by T. Tate1851 - 139 sider |
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Side 2
... angle at a point , it may be expressed by a letter placed at that point ; as the angle at E. " X. When a straight line standing on another straight line makes the ad- jacent angles equal to one another , each of the angles is called a right ...
... angle at a point , it may be expressed by a letter placed at that point ; as the angle at E. " X. When a straight line standing on another straight line makes the ad- jacent angles equal to one another , each of the angles is called a right ...
Side 4
... 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 ...
... 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 ...
Side 5
... right angles are equal to one another . XII . " If a straight line meets two straight B 3 BOOK I. POSTULATES AND AXIOMS . 5 XXXIV. All other four-sided figures besides these...
... right angles are equal to one another . XII . " If a straight line meets two straight B 3 BOOK I. POSTULATES AND AXIOMS . 5 XXXIV. All other four-sided figures besides these...
Side 6
... angles on the same side of it taken together less than two right angles , these straight lines being continually pro- duced , shall at length meet upon that side on which are the angles which are less than two right angles ...
... angles on the same side of it taken together less than two right angles , these straight lines being continually pro- duced , shall at length meet upon that side on which are the angles which are less than two right angles ...
Side 15
... 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 ; it is required to draw a straight line from the point c at right angles to AB . Take any point D in ...
... 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 ; it is required to draw a straight line from the point c at right angles to AB . Take any point D in ...
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The First Three Books of Euclid's Elements of Geometry from the Text of Dr ... Euclid,Thomas Tate Ingen forhåndsvisning tilgjengelig - 2014 |
Vanlige uttrykk og setninger
A B C ABCD adjacent angles angle ABC angle ACB angle BAC angle equal angles BGH base BC BC is equal bisect centre circle ABC circumference diameter divided double draw a straight equal angles equal circles equal straight lines equal to FB exterior angle given point given rectilineal angle given straight line gnomon greater half a right hypotenuse interior and opposite isosceles triangle less Let ABC Let the straight line be drawn opposite angles parallel parallelogram perpendicular PROB produced Q. E. D. PROP rectangle AE rectangle contained rectilineal figure remaining angle right angles segment semicircle side BC square of AC straight line AB straight line AC straight line drawn THEOR touches the circle trapezium triangle ABC twice the rectangle vertex vertical angle