Question

In the given figure, angle 1 = 55°,angle 2 = 20°, angle 3 = 35º and
angle4 = 145°. Prove that AB || CD.​

Answer 1

Answer:

angle 1 = angle 2 + angle 3

= 55°

.•. AB || MN ••••••(|)

again, CD || MN ••••••(||)

Now,

from (|) & (||) = AB || CD

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Answer 2

this is your answer i hope it is right