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34 votes
34 votes
Refer to the photo for the question. also, thank you

Refer to the photo for the question. also, thank you-example-1
User Tore Nestenius
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1 Answer

22 votes
22 votes

m\measuredangle2=90^(\circ)

all the angles are right because b is perpendicular to the two lines

User Aaronp
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