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Ber [7]
3 years ago
9

Please show me the steps to this thank you.

Mathematics
1 answer:
irakobra [83]3 years ago
5 0
Since the lines are perpendicular the opposite angle of labeled is also 60° and so would the two angles on the the lower just opposite way therefore 8x-4=60
-4 -4
8x=56
/8 /8
X=7
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