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let AC be drawn from C at right angles to AB,
and
let it be made equal to either AC or CB;
let EA, EB be joined,
let DF be drawn through D parallel to EC,
and
FG through F parallel to AB,
and
let AF be joined.
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T H E E L E M E N T S |
Book II Proposition 9 | |
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For let AC be drawn from C at right angles to AB, and let it be made equal to either AC or CB; let EA, EB be joined, let DF be drawn through D parallel to EC, and FG through F parallel to AB, and let AF be joined. |
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