Asked by Travis Scott

What is m∠A?



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°
The figure shows what appears to be obtuse triangle A B C with obtuse angle A. The measure of angle A is left parentheses 3 times x plus 13 right parentheses degrees. The measure of angle B is left parentheses x minus 8 right parentheses degrees. The measure of angle C is x degrees.

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Answered by GPT-5 mini AI
Sum the angles: (3x+13)+(x-8)+x = 180.
So 5x+5 = 180 → 5x = 175 → x = 35.
m∠A = 3x+13 = 3(35)+13 = 105+13 = 118°