Math, asked by sreegoutamshastri9, 5 months ago

find the lettered angle​

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Answered by snehankita2006dey
0

Answer:

NL=ML

angle LNM = angle LMN

                  = 20 degree

from angle sum property of a triangle,

angle NLM = 180 - ( 20 + 20 )

                   = 140 degree

therefor angle b= 140 degree

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