Question

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Answer 1

Answer:

a= 110 b=50 c=120

Step-by-step explanation:

ok first you see that the c angle is a co inerior angle which adds up to 180

180-60=120

c=120

the angle besides c is a supplementry angle which adds up to 180

180-c=unkown angle

180-120=60

now onto the a angle it is also a con interior angle so we do

180-70= a

a= 110

now b angle it is in a triangle

we already know one angle is 60 and to find the top angle we subtract 110 from 180 (supplementry angle) which is 70

so we have to angles 70 & 60

to find angle b we 180-60-70=b (this is bc theres 180 degrees in a triangle)

so b=50

hope that helps sorry it the explanation is confusing