btsarmyjk84 btsarmyjk84

13-03-2021
Mathematics

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pls help me with this math question i beg

pls help me with this math question i beg class=

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Аноним Аноним

13-03-2021

Answer:

All angles in a quadrilateral = 360°

b =?

b = 360 - (128 + 61 + 57)

b = 360 - 246

b = 114°

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