Posted by **peter** on Tuesday, March 29, 2011 at 1:04pm.

I got this problem wrong on a test and i want to know how to fix it. In triangle ABC, angle A is 20 degrees and side AC is 7.89 units, find the other sides and angles

- geometry -
**Reiny**, Tuesday, March 29, 2011 at 6:01pm
As it stands, there are only 2 pieces of information, which is insufficient.

Is it a right-angled triangle?

If so, where is the right-angle?

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