Question

if l || m || n.from the figure​

Answer 1

x=70°(co-interior to 110°)

BDC=140°(co-interior to 40°)

now,20°=z(alternate interiors)

30°=t(alternate interiors)

y=180°-(30°+20°)

=130°(as the angles lie on straight line)

hope it will help you

Answer 2

Here is ur answer
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