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Mathematics 9 Online
OpenStudy (logan13):

What is m∠A? A. 80° B. 20° C. 100° D. 60°

OpenStudy (junhaoz):

It extends from 20 to 80, so x=80-20

OpenStudy (logan13):

40

OpenStudy (logan13):

no 60

OpenStudy (junhaoz):

yes

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