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Mice21 [21]
2 years ago
14

Help please help please

Mathematics
2 answers:
kramer2 years ago
8 0

Answer:

angles shouldn't you use a protractor

Step-by-step explanation:

Rasek [7]2 years ago
8 0

Answer:

x+140°=180°

x+140°-140°=180°-140°

x+0=180°-140°

x=40°

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