Question

please answer this question ​

Answer 1

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Answer 2

Answer:

<1=<5(corresponding angles)

<1=<3(vertically opposite angles)

<5=<7(vertically opposite angles)

<1=<3=<5=<7=80°

<1+<2=180°(linear pair)

<2=100°

<2=<6(corresponding angles)

<2=<4(vertically opposite angles)

<6=<8(vertically opposite angles)

<2=<4=<6=<8=100°