Hravi26
Hravi26
08-02-2020
Mathematics
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Plz help me
10 points!
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gurinasuwhx
gurinasuwhx
08-02-2020
BAC=ABD. therefore ABD = 20°
BDA = 180° - 20° -20° = 140°
BDC = 180° - 140° = 40°
BCD = 180° - 40° - 20° = 120°
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