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please answer this thanks​

Please Answer This Thanks class=

Sagot :

Answer:

A.

m<a=30

m<a+m<b=180° linear pair

m<b=180-30=150°

1.m<b=150°

again

m<d+m<a=90° right angle

m<d=90-30=60°

2.m<d=60°

again

m<d+m<c=180° linear pair

m<c=180-60=120°

3.m<c=120°