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3 years ago

5

100 points, please help? its my last question im stuck on and im almost done! explanations are appreciated too (i wont forget to

give u brainly as well)

2 answers:

lapo4ka [179]3 years ago

7 0

First box’s is angle addition postulate. The the second box is x=15

Tasya [4]3 years ago

5 0

1. Angle addition postulate

2. 2(15)+4(15)+6(15)=180

180=180

x=15

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