Mathematics, 13.02.2021 02:00 nickolasbradyp0hvwl

In the figure, AB DC and AD BC. To prove that AB CD, one must first show that AABC ACDA.
which theorem or postulate can be used to justify AABC - ACDA?

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In the figure, AB DC and AD BC. To prove that AB CD, one must first show that AABC ACDA.
whic...