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5 votes
Need help using sas, sss, asa, aas

1 Answer

4 votes

\bar{AB}\cong\bar{CD}
AB+BC\cong BC+CD
AC\cong BD

If


AE\parallel BF

Then


m\angle A\cong m\angle B

If


CE\parallel DF

Then


m\angle C\cong m\angle D

So, by ASA congruency rule


\text{AEC}\cong BFD

User Karleen
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