T H E E L E M E N T S |
Book II Proposition 9 | |
Now, since AC is equal to CE, the square on AC is also equal to the square on CE; therefore the squares on AC, CE are double of the square on AC. But the square on EA is equal to the squares AC, CE, for the angle ACE is right; [I.47] therefore the square on EA is double of the square on AC. |
||
Previous Page Return to Propositions Next Page |