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olga55 [171]
3 years ago
13

Please help!!! Thank you!!!

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
7 0

Answer:

See below

Step-by-step explanation:

<u>Statement                                      | Reason                                             </u>

1. m∠A + m∠B + m∠C = 180°         | 1.  Angles in a triangle sum to 180°

2. 28° + x - 4° + 2x = 180°              | 2. Substitution

3. x=(180° - 24°)/3= 156°/3°= 52°   | 3. Algebra

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