Math, asked by aqsasyeda29112009, 3 months ago

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Answered by BestAnswer1019
1

Answer:

Sanu has given the wrong answer as the angle formed is obtuse and 40° is not an obtuse angle

Answered by onkarborse4
0

Answer:

sanu ans is right because the angles before 90 degree and consider as acute angle

therefore./_lmn=40 degree

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