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supplementary angles: look at the attachment to see the question

Supplementary Angles Look At The Attachment To See The Question class=

Answer :

ITSBRIOFCGO

Answer:

x = 21

Step-by-step explanation:

21 x 3 = 63 and 63 + 67 = 130 and sense there across from eachother this is correct because vertical angles are always the same measure.

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