plz fin d x and y...
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since NL is a straight line therefore the angle is 180 digree and y+123=180
y=57
now since y is 57
therefore by using Angle sum property we can find third angle of triangle that will be
180-58+57=65
now x + 65 =180
x =115
y=57
now since y is 57
therefore by using Angle sum property we can find third angle of triangle that will be
180-58+57=65
now x + 65 =180
x =115
astha42:
thanks
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