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elliott119
Answer: 64°

Explanation: We know this because 2x=128, so if you divide 128/2 you’ll find x which is 64!

Hope this helps :)
Toristern12
It would be 64. You can see the other angel is 128. And both angles are opposite angles. So divided both sides by 2, which gets 64. 64x2 is 128

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