T H E E L E M E N T S |
Book VI Proposition 22 | |
Therefore, if four straight lines be proportional, the rectilineal figures similar and similarly described upon them will also be proportional; and if the rectilineal figures similar and similarly described upon them be proportional, the fore straight lines will themselves also be proportional. Being what it was required to prove. |
||
Previous Page Return to Propositions |