kiahtab13
kiahtab13
25-06-2018
Mathematics
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‼️‼️help please ASAP
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Luv2Teach
Luv2Teach
25-06-2018
If this is a square, then angle B has a measure of 90 degrees. Therefore, 3x+60=90. 3x = 30, so x = 10. First choice above.
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