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Angle A??
Ch.7.1 trig

Angle A Ch71 Trig class=

Sagot :

Sqdancefanidn

9514 1404 393

Answer:

  m∠A =86°

Step-by-step explanation:

The sum of angles in a triangle is 180°

  A + B + C = 180°

  A + 51° + 43° = 180°

  A = 86° . . . . . . . . . . . . . subtract 94° from both sides

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