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Help! I don't know!!!!!

Help! I don't know!!!!!-example-1
User Si
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Angle 6 is 42 degrees

Okay, so you know that angle 138 plus angle 3 are equal to. 180, right? 180-138=42. According to some formula a forgot what its called, if the lines are parallel, then- okay whatever its 42

User Ega Setya Putra
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