answer this question i have online class
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0
Answer:
a=80
b=100
c=100
d=100
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answer is correct
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Answered by
1
Answer:
b= 100 degree( alternative interior angles)
d = b
d=100 degree (Consecutive angles)
C=d
C=100 degree (consecutive angles)
C+a=180 degree (Co-interior angles)
100+ a=180
a=180-100
a=80
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