plz answer this 6 question
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1
2a=80
a=40
80+b=180
b=100
Answered by
1
80=2a(corresponding angles)
80÷2=a
a=40
b+80=180(co interior angle)
b=180-80
b=100
80÷2=a
a=40
b+80=180(co interior angle)
b=180-80
b=100
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