# geometry

Which segment is longer ab or ad and why? steve, how are you solving for <abd, what are you assuming about <abc?

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1. we have two angles of triangle DCB
<dbc = 91
<cbd = 43, so
<bdc = 46
That means that

Hmmm. Now we seem to be at an impasse.
Given what we know, there's no way to determine <abd or <bad. Point A can be anywhere along the line joining A and D.

ab compares to ad the same way that <adb compares to <abd, but there's no way of knowing which is greater.

Am I missing something?

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posted by Steve

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