T H E E L E M E N T S |
Book I Proposition 23 | |
Let AB be the given straight line, A the point on it, and the angle DCE
the given rectilineal angle; thus it is required to construct on the given straight line AB, and at the point A on it, a rectilineal angle equal to the given rectilineal angle DCE. |
||
Return to Propositions Next Page |