Question

1. If a||b,then angle 1=5
2.If angle 4=6.a||b
3. If angle4=5,then a||b

Answer 1

what is the thing we need to find?

Answer 2

HEY MATE!!

1.A||B, angle 1=angle5 because they are corresponding angles.
2.angle 4=angle 6,they are alternate interior angles, so, A||B.
3.angle 4=angle 5,they are consecutive angles, so, A||B.

HOPE IT HELPS...

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