



 
Hi Jessica. This is how I would solve it. Angle C is three times angle A, so that means A = (1/3) C. In any triangle, the sum of all three angles is 180 degrees, so A + B + C = 180. Now you can substitute in for A and B: ( (1/3) C ) + (C  30) + C = 180. Solve for C. Use that to find A and B. Cheers,  


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