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HELP PLEASE 20 POINTS

HELP PLEASE 20 POINTS-example-1
User Pkamb
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1 Answer

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Angle F is 30°... One way to solve this is by knowing that all angles add up to 180°. So, you could add 70+80=150. Then, subtract 150 from 180 and you get 30°
User Afrowave
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