Question

9) Solve the following:
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Answer 1

Answer:

==>AB//DC WE HAVE

==<A+<D=180°

==50°+<D=180°

== <D=180°-50°

= 130°

ALSO.

<B+<C=180°

70°+<C=180°

<C=180°-70°

=110°

HOPE U GOT IT..