H
E
E
L
E
M
E
N
T
S
the straight line AD falling on the two straight lines BC, EF has made the alternate angles EAD, ADC equal to one another,
therefore
EAF is parallel to BC. [I.27]
|
T H E E L E M E N T S |
Book I Proposition 31 | |
|
Then, since the straight line AD falling on the two straight lines BC, EF has made the alternate angles EAD, ADC equal to one another, therefore EAF is parallel to BC. [I.27] |
|
|
| Previous Page Return to Propositions Next Page | ||