Posted by Sarah on Sunday, August 16, 2009 at 7:53pm.
1) 180 - A = 3A + 20
4A = 160
A = 40 degrees is the angle
2) 90 - A - A = 22
2A = 68
A = 34 degrees. The other angle (the complement) is 90 - 34 = 56 degrees
Even if you haven't studied algebra yet, I hope you can follow the logic
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