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In a figure, angle 1 = 60 degree and angle 6 = 120 degree. Show that the lines m and n are parallel.

URGENT!!!

In a figure angle 1 60 degree and angle 6 120 degree Show that the lines m and n are parallelURGENT class=

Answer :

AvmnuSng
angle1 + angle4 = 180
angle4 = 120

angle6 + angle5 = 180
angle5 = 60

Now angle4 + angle5 = 180, this proves that m and n are parallel

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